merge mozilla-inbound to mozilla-central a=merge

build/moz.configure/old.configure

@@ -306,7 +306,6 @@ def old_configure_options(*options):
     '--with-nss-prefix',
     '--with-pthreads',
     '--with-qemu-exe',
-    '--with-qtdir',
     '--with-servo',
     '--with-sixgill',
     '--with-soft-float',

devtools/shared/heapsnapshot/DeserializedNode.h

@@ -244,7 +244,7 @@ using mozilla::devtools::DeserializedNode;
 using mozilla::devtools::DeserializedStackFrame;
 
 template<>
-struct Concrete<DeserializedNode> : public Base
+class Concrete<DeserializedNode> : public Base
 {
 protected:
   explicit Concrete(DeserializedNode* ptr) : Base(ptr) { }
@@ -253,8 +253,6 @@ protected:
   }
 
 public:
-  static const char16_t concreteTypeName[];
-
   static void construct(void* storage, DeserializedNode* ptr) {
     new (storage) Concrete(ptr);
   }
@@ -273,6 +271,8 @@ public:
   // We ignore the `bool wantNames` parameter because we can't control whether
   // the core dump was serialized with edge names or not.
   js::UniquePtr<EdgeRange> edges(JSRuntime* rt, bool) const override;
+
+  static const char16_t concreteTypeName[];
 };
 
 template<>

devtools/shared/heapsnapshot/HeapSnapshot.h

@@ -46,7 +46,7 @@ class HeapSnapshot final : public nsISupports
   friend struct DeserializedNode;
   friend struct DeserializedEdge;
   friend struct DeserializedStackFrame;
-  friend struct JS::ubi::Concrete<JS::ubi::DeserializedNode>;
+  friend class JS::ubi::Concrete<JS::ubi::DeserializedNode>;
 
   explicit HeapSnapshot(JSContext* cx, nsISupports* aParent)
     : timestamp(Nothing())

dom/base/DOMRequest.cpp

@@ -23,6 +23,7 @@ using mozilla::dom::DOMRequestService;
 using mozilla::dom::DOMCursor;
 using mozilla::dom::Promise;
 using mozilla::dom::AutoJSAPI;
+using mozilla::dom::GetJSRuntime;
 
 DOMRequest::DOMRequest(nsPIDOMWindowInner* aWindow)
   : DOMEventTargetHelper(aWindow)
@@ -301,7 +302,7 @@ class FireSuccessAsyncTask : public mozilla::Runnable
   FireSuccessAsyncTask(DOMRequest* aRequest,
                        const JS::Value& aResult) :
     mReq(aRequest),
-    mResult(nsContentUtils::RootingCxForThread(), aResult)
+    mResult(GetJSRuntime(), aResult)
   {
   }
 

dom/base/ScriptSettings.cpp

@@ -7,6 +7,7 @@
 #include "mozilla/dom/ScriptSettings.h"
 #include "mozilla/ThreadLocal.h"
 #include "mozilla/Assertions.h"
+#include "mozilla/CycleCollectedJSRuntime.h"
 
 #include "jsapi.h"
 #include "xpcpublic.h"
@@ -284,6 +285,20 @@ IsJSAPIActive()
   return topEntry && !topEntry->NoJSAPI();
 }
 
+namespace danger {
+JSContext*
+GetJSContext()
+{
+  return CycleCollectedJSRuntime::Get()->Context();
+}
+} // namespace danger
+
+JSRuntime*
+GetJSRuntime()
+{
+  return CycleCollectedJSRuntime::Get()->Runtime();
+}
+
 AutoJSAPI::AutoJSAPI()
   : ScriptSettingsStackEntry(nullptr, eJSAPI)
   , mCx(nullptr)
@@ -325,6 +340,7 @@ AutoJSAPI::InitInternal(nsIGlobalObject* aGlobalObject, JSObject* aGlobal,
                         JSContext* aCx, bool aIsMainThread)
 {
   MOZ_ASSERT(aCx);
+  MOZ_ASSERT(aCx == danger::GetJSContext());
   MOZ_ASSERT(aIsMainThread == NS_IsMainThread());
   MOZ_ASSERT(bool(aGlobalObject) == bool(aGlobal));
   MOZ_ASSERT_IF(aGlobalObject, aGlobalObject->GetGlobalJSObject() == aGlobal);
@@ -418,18 +434,16 @@ AutoJSAPI::InitInternal(nsIGlobalObject* aGlobalObject, JSObject* aGlobal,
 
 AutoJSAPI::AutoJSAPI(nsIGlobalObject* aGlobalObject,
                      bool aIsMainThread,
-                     JSContext* aCx,
                      Type aType)
   : ScriptSettingsStackEntry(aGlobalObject, aType)
   , mIsMainThread(aIsMainThread)
 {
   MOZ_ASSERT(aGlobalObject);
   MOZ_ASSERT(aGlobalObject->GetGlobalJSObject(), "Must have a JS global");
-  MOZ_ASSERT(aCx);
   MOZ_ASSERT(aIsMainThread == NS_IsMainThread());
 
-  InitInternal(aGlobalObject, aGlobalObject->GetGlobalJSObject(), aCx,
-               aIsMainThread);
+  InitInternal(aGlobalObject, aGlobalObject->GetGlobalJSObject(),
+               danger::GetJSContext(), aIsMainThread);
 }
 
 void
@@ -438,8 +452,7 @@ AutoJSAPI::Init()
   MOZ_ASSERT(!mCx, "An AutoJSAPI should only be initialised once");
 
   InitInternal(/* aGlobalObject */ nullptr, /* aGlobal */ nullptr,
-               nsContentUtils::GetDefaultJSContextForThread(),
-               NS_IsMainThread());
+               danger::GetJSContext(), NS_IsMainThread());
 }
 
 bool
@@ -464,7 +477,7 @@ AutoJSAPI::Init(nsIGlobalObject* aGlobalObject, JSContext* aCx)
 bool
 AutoJSAPI::Init(nsIGlobalObject* aGlobalObject)
 {
-  return Init(aGlobalObject, nsContentUtils::GetDefaultJSContextForThread());
+  return Init(aGlobalObject, danger::GetJSContext());
 }
 
 bool
@@ -634,16 +647,11 @@ AutoJSAPI::IsStackTop() const
 
 AutoEntryScript::AutoEntryScript(nsIGlobalObject* aGlobalObject,
                                  const char *aReason,
-                                 bool aIsMainThread,
-                                 JSContext* aCx)
-  : AutoJSAPI(aGlobalObject, aIsMainThread,
-              aCx ? aCx : nsContentUtils::GetSafeJSContext(),
-              eEntryScript)
+                                 bool aIsMainThread)
+  : AutoJSAPI(aGlobalObject, aIsMainThread, eEntryScript)
   , mWebIDLCallerPrincipal(nullptr)
 {
   MOZ_ASSERT(aGlobalObject);
-  MOZ_ASSERT_IF(!aCx, aIsMainThread); // cx is mandatory off-main-thread.
-  MOZ_ASSERT_IF(aCx && aIsMainThread, aCx == nsContentUtils::GetSafeJSContext());
 
   if (aIsMainThread && gRunToCompletionListeners > 0) {
     mDocShellEntryMonitor.emplace(cx(), aReason);
@@ -652,9 +660,8 @@ AutoEntryScript::AutoEntryScript(nsIGlobalObject* aGlobalObject,
 
 AutoEntryScript::AutoEntryScript(JSObject* aObject,
                                  const char *aReason,
-                                 bool aIsMainThread,
-                                 JSContext* aCx)
-  : AutoEntryScript(xpc::NativeGlobal(aObject), aReason, aIsMainThread, aCx)
+                                 bool aIsMainThread)
+  : AutoEntryScript(xpc::NativeGlobal(aObject), aReason, aIsMainThread)
 {
 }
 
@@ -776,7 +783,7 @@ AutoJSContext::AutoJSContext(MOZ_GUARD_OBJECT_NOTIFIER_ONLY_PARAM_IN_IMPL)
   MOZ_GUARD_OBJECT_NOTIFIER_INIT;
 
   if (IsJSAPIActive()) {
-    mCx = nsContentUtils::GetSafeJSContext();
+    mCx = danger::GetJSContext();
   } else {
     mJSAPI.Init();
     mCx = mJSAPI.cx();

dom/base/ScriptSettings.h

@@ -127,6 +127,17 @@ inline JSObject& IncumbentJSGlobal()
 // AutoJSAPI or AutoEntryScript to get yourself a properly set up JSContext.
 bool IsJSAPIActive();
 
+namespace danger {
+
+// Get the JSContext for this thread.  This is in the "danger" namespace because
+// we generally want people using AutoJSAPI instead, unless they really know
+// what they're doing.
+JSContext* GetJSContext();
+
+} // namespace danger
+
+JSRuntime* GetJSRuntime();
+
 class ScriptSettingsStack;
 class ScriptSettingsStackEntry {
   friend class ScriptSettingsStack;
@@ -278,13 +289,9 @@ public:
   }
 
 protected:
-  // Protected constructor, allowing subclasses to specify a particular cx to
-  // be used. This constructor initialises the AutoJSAPI, so Init must NOT be
-  // called on subclasses that use this.
-  // If aGlobalObject, its associated JS global or aCx are null this will cause
-  // an assertion, as will setting aIsMainThread incorrectly.
-  AutoJSAPI(nsIGlobalObject* aGlobalObject, bool aIsMainThread, JSContext* aCx,
-            Type aType);
+  // Protected constructor for subclasses.  This constructor initialises the
+  // AutoJSAPI, so Init must NOT be called on subclasses that use this.
+  AutoJSAPI(nsIGlobalObject* aGlobalObject, bool aIsMainThread, Type aType);
 
 private:
   mozilla::Maybe<JSAutoRequest> mAutoRequest;
@@ -313,15 +320,11 @@ class MOZ_STACK_CLASS AutoEntryScript : public AutoJSAPI {
 public:
   AutoEntryScript(nsIGlobalObject* aGlobalObject,
                   const char *aReason,
-                  bool aIsMainThread = NS_IsMainThread(),
-                  // Note: aCx is mandatory off-main-thread.
-                  JSContext* aCx = nullptr);
+                  bool aIsMainThread = NS_IsMainThread());
 
   AutoEntryScript(JSObject* aObject, // Any object from the relevant global
                   const char *aReason,
-                  bool aIsMainThread = NS_IsMainThread(),
-                  // Note: aCx is mandatory off-main-thread.
-                  JSContext* aCx = nullptr);
+                  bool aIsMainThread = NS_IsMainThread());
 
   ~AutoEntryScript();
 

dom/base/nsContentUtils.cpp

@@ -5546,28 +5546,7 @@ nsContentUtils::GetCurrentJSContext()
   if (!IsJSAPIActive()) {
     return nullptr;
   }
-  return GetSafeJSContext();
-}
-
-/* static */
-JSContext *
-nsContentUtils::GetSafeJSContext()
-{
-  MOZ_ASSERT(NS_IsMainThread());
-  MOZ_ASSERT(IsInitialized());
-  return sXPConnect->GetSafeJSContext();
-}
-
-/* static */
-JSContext *
-nsContentUtils::GetDefaultJSContextForThread()
-{
-  MOZ_ASSERT(IsInitialized());
-  if (MOZ_LIKELY(NS_IsMainThread())) {
-    return GetSafeJSContext();
-  } else {
-    return workers::GetCurrentThreadJSContext();
-  }
+  return danger::GetJSContext();
 }
 
 /* static */

dom/base/nsContentUtils.h

@@ -1722,11 +1722,10 @@ public:
                                                       nsresult* aRv);
 
   static JSContext *GetCurrentJSContext();
-  static JSContext *GetSafeJSContext();
   static JSContext *GetCurrentJSContextForThread();
-  static JSContext *GetDefaultJSContextForThread();
-  inline static JSContext *RootingCx() { return GetSafeJSContext(); }
-  inline static JSContext *RootingCxForThread() { return GetDefaultJSContextForThread(); }
+  inline static JSContext *RootingCx() {
+    return mozilla::dom::danger::GetJSContext();
+  }
 
   /**
    * Case insensitive comparison between two strings. However it only ignores

dom/base/nsFrameLoader.cpp

@@ -2093,11 +2093,8 @@ nsFrameLoader::MaybeCreateDocShell()
   }
 
   DocShellOriginAttributes attrs;
-
-  if (!mOwnerContent->IsXULElement(nsGkAtoms::browser)) {
-    nsCOMPtr<nsIPrincipal> parentPrin = doc->NodePrincipal();
-    PrincipalOriginAttributes poa = BasePrincipal::Cast(parentPrin)->OriginAttributesRef();
-    attrs.InheritFromDocToChildDocShell(poa);
+  if (docShell->ItemType() == mDocShell->ItemType()) {
+    attrs = nsDocShell::Cast(docShell)->GetOriginAttributes();
   }
 
   if (OwnerIsAppFrame()) {

dom/base/nsGlobalWindow.cpp

@@ -3300,12 +3300,6 @@ nsGlobalWindow::WillHandleEvent(EventChainPostVisitor& aVisitor)
   return NS_OK;
 }
 
-JSContext*
-nsGlobalWindow::GetJSContextForEventHandlers()
-{
-  return nullptr;
-}
-
 nsresult
 nsGlobalWindow::PreHandleEvent(EventChainPreVisitor& aVisitor)
 {

dom/base/nsInProcessTabChildGlobal.h

@@ -117,7 +117,6 @@ public:
   }
   using mozilla::DOMEventTargetHelper::AddEventListener;
 
-  virtual JSContext* GetJSContextForEventHandlers() override { return nsContentUtils::GetSafeJSContext(); }
   virtual nsIPrincipal* GetPrincipal() override { return mPrincipal; }
   void LoadFrameScript(const nsAString& aURL, bool aRunInGlobalScope);
   void FireUnloadEvent();

dom/base/nsJSEnvironment.cpp

@@ -247,8 +247,8 @@ FindExceptionStackForConsoleReport(nsPIDOMWindowInner* win,
     return nullptr;
   }
 
-  JSContext* cx = nsContentUtils::RootingCxForThread();
-  JS::RootedObject exceptionObject(cx, &exceptionValue.toObject());
+  JSRuntime* rt = GetJSRuntime();
+  JS::RootedObject exceptionObject(rt, &exceptionValue.toObject());
   JSObject* stackObject = ExceptionStackOrNull(exceptionObject);
   if (stackObject) {
     return stackObject;
@@ -269,7 +269,7 @@ FindExceptionStackForConsoleReport(nsPIDOMWindowInner* win,
   if (!stack) {
     return nullptr;
   }
-  JS::RootedValue value(cx);
+  JS::RootedValue value(rt);
   stack->GetNativeSavedFrame(&value);
   if (value.isObject()) {
     return &value.toObject();

dom/base/nsJSUtils.cpp

@@ -367,8 +367,8 @@ nsJSUtils::ResetTimeZone()
 
 bool nsAutoJSString::init(const JS::Value &v)
 {
-  JSContext* cx = nsContentUtils::RootingCxForThread();
-  if (!init(nsContentUtils::RootingCxForThread(), v)) {
+  JSContext* cx = nsContentUtils::RootingCx();
+  if (!init(cx, v)) {
     JS_ClearPendingException(cx);
     return false;
   }

dom/bindings/BindingUtils.cpp

@@ -359,7 +359,7 @@ void
 ErrorResult::ClearUnionData()
 {
   if (IsJSException()) {
-    JSContext* cx = nsContentUtils::GetDefaultJSContextForThread();
+    JSContext* cx = nsContentUtils::RootingCx();
     MOZ_ASSERT(cx);
     mJSException.setUndefined();
     js::RemoveRawValueRoot(cx, &mJSException);
@@ -398,7 +398,7 @@ ErrorResult::operator=(ErrorResult&& aRHS)
     mMessage = aRHS.mMessage;
     aRHS.mMessage = nullptr;
   } else if (aRHS.IsJSException()) {
-    JSContext* cx = nsContentUtils::GetDefaultJSContextForThread();
+    JSContext* cx = nsContentUtils::RootingCx();
     MOZ_ASSERT(cx);
     mJSException.setUndefined();
     if (!js::AddRawValueRoot(cx, &mJSException, "ErrorResult::mJSException")) {
@@ -453,7 +453,7 @@ ErrorResult::CloneTo(ErrorResult& aRv) const
 #ifdef DEBUG
     aRv.mUnionState = HasJSException;
 #endif
-    JSContext* cx = nsContentUtils::RootingCxForThread();
+    JSContext* cx = nsContentUtils::RootingCx();
     JS::Rooted<JS::Value> exception(cx, mJSException);
     aRv.ThrowJSException(cx, exception);
   }
@@ -2350,7 +2350,7 @@ ConstructJSImplementation(const char* aContractId,
       do_QueryInterface(implISupports);
     nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aGlobal);
     if (gpi) {
-      JS::Rooted<JS::Value> initReturn(nsContentUtils::RootingCxForThread());
+      JS::Rooted<JS::Value> initReturn(GetJSRuntime());
       rv = gpi->Init(window, &initReturn);
       if (NS_FAILED(rv)) {
         aRv.Throw(rv);

dom/bindings/Bindings.conf

@@ -8,26 +8,20 @@
 #
 # The WebIDL interfaces are defined in dom/webidl. For interfaces requiring
 # special handling, there are corresponding entries in the configuration table
-# below. The configuration table maps each interface name to a |descriptor| or
-# list of |descriptor|s.
+# below. The configuration table maps each interface name to a |descriptor|.
 #
 # Valid fields for all descriptors:
 #   * nativeType - The native type (concrete class or XPCOM interface) that
 #                  instances of this interface will unwrap to.  If not
 #                  specified, defaults to 'nsIDOM' followed by the interface
-#                  name for external interfaces,
-#                  'mozilla::dom::workers::InterfaceName' for worker
-#                  non-callback interfaces, and 'mozilla::dom::InterfaceName'
-#                  for everything else.
+#                  name for external interfaces and
+#                  'mozilla::dom::InterfaceName' for everything else.
 #   * headerFile - The file in which the nativeType is declared (defaults
 #                  to an educated guess).
 #   * concrete - Indicates whether there exist JS objects with this interface as
 #                their primary interface (and hence whose prototype is this
 #                interface's prototype object).  Always False for callback
 #                interfaces.  Defaults to True otherwise.
-#   * workers - Indicates whether the descriptor is intended to be used solely
-#               for worker threads (defaults to false). If true the interface
-#               will not be made available on the main thread.
 #   * notflattened - The native type does not have nsIClassInfo, so when
 #                    wrapping it the right IID needs to be passed in.
 #                    Only relevant for callback interfaces.
@@ -41,13 +35,7 @@
 #                   not can only be returned from a limited set of methods,
 #                   cannot be prefable, and must ensure that they disallow
 #                   XPConnect wrapping.  Always false for callback interfaces.
-#                   Always true for worker descriptors for non-callback
-#                   interfaces.  Defaults to true for non-worker non-callback
-#                   descriptors.
-#
-# A non-worker descriptor can have 'wantsXrays': False specified if it
-# should not have Xray hooks generated.  Make sure to have someone
-# familiar with Xrays review any use of this!
+#                   Defaults to true for non-callback descriptors.
 #
 # The following fields are either a string, an array (defaults to an empty
 # array) or a dictionary with three possible keys (all, getterOnly and
@@ -56,24 +44,8 @@
 #   * implicitJSContext - attributes and methods specified in the .webidl file
 #                         that require a JSContext as the first argument
 #
-# A descriptor can also have 'skipGen': True specified if it should be skipped
-# when deciding what header includes to generate and should never have an
-# implementation generated for it.  This is only needed in special cases like
-# worker descriptors for objects that will never actually appear in workers.
-#
-# The value for an interface can be a list or a dictionary, which affects which
-# bindings are generated for that interface.
-# - If the value for the interface is just a record, then a single binding for
-#   will be generated using those settings.
-# - If it is a list with a single record which has 'workers':True, then that
-#   record will be used to generate bindings for workers, plus the default
-#   settings will be used to generate bindings for the main thread.
-# - If it is a list with two records, then one should have 'workers':True,
-#   and the other should have 'workers':False (or left unset). These will
-#   be used to generate bindings for workers and for mainthread, as you would
-#   expect.
-# Nothing else is allowed.  If you have a list with a single 'workers':False
-# entry, just make it not a list.
+# The value for an interface is a dictionary which specifies the
+# descriptor to use when generating that interface's binding.
 
 DOMInterfaces = {
 
@@ -425,11 +397,6 @@ DOMInterfaces = {
     'nativeType': 'nsDOMTokenList',
 },
 
-'DummyInterface': {
-    'skipGen': True,
-    'register': False,
-},
-
 'DynamicsCompressorNode': {
     'binaryNames': {
         'release': 'getRelease'

dom/bindings/CallbackObject.cpp

@@ -134,10 +134,7 @@ CallbackObject::CallSetup::CallSetup(CallbackObject* aCallback,
       return;
     }
 
-    // Off the main thread, AutoEntryScript expects us to pass a JSContext.
-    mAutoEntryScript.emplace(globalObject, aExecutionReason, mIsMainThread,
-                             mIsMainThread ? nullptr
-                                           : workers::GetCurrentThreadJSContext());
+    mAutoEntryScript.emplace(globalObject, aExecutionReason, mIsMainThread);
     mAutoEntryScript->SetWebIDLCallerPrincipal(webIDLCallerPrincipal);
     nsIGlobalObject* incumbent = aCallback->IncumbentGlobalOrNull();
     if (incumbent) {

dom/bindings/Codegen.py

@@ -41,7 +41,7 @@ def toStringBool(arg):
 
 
 def toBindingNamespace(arg):
-    return re.sub("((_workers)?$)", "Binding\\1", arg)
+    return arg + "Binding"
 
 
 def isTypeCopyConstructible(type):
@@ -533,8 +533,6 @@ def PrototypeIDAndDepth(descriptor):
     prototypeID = "prototypes::id::"
     if descriptor.interface.hasInterfacePrototypeObject():
         prototypeID += descriptor.interface.identifier.name
-        if descriptor.workers:
-            prototypeID += "_workers"
         depth = "PrototypeTraits<%s>::Depth" % prototypeID
     else:
         prototypeID += "_ID_Count"
@@ -980,16 +978,6 @@ class CGIncludeGuard(CGWrapper):
                            declarePost='\n#endif // %s\n' % define)
 
 
-def getRelevantProviders(descriptor, config):
-    if descriptor is not None:
-        return [descriptor]
-    # Do both the non-worker and worker versions
-    return [
-        config.getDescriptorProvider(False),
-        config.getDescriptorProvider(True)
-    ]
-
-
 class CGHeaders(CGWrapper):
     """
     Generates the appropriate include statements.
@@ -1052,12 +1040,11 @@ class CGHeaders(CGWrapper):
         bindingHeaders = set()
         declareIncludes = set(declareIncludes)
 
-        def addHeadersForType((t, descriptor, dictionary)):
+        def addHeadersForType((t, dictionary)):
             """
-            Add the relevant headers for this type.  We use descriptor and
-            dictionary, if passed, to decide what to do with interface types.
+            Add the relevant headers for this type.  We use dictionary, if
+            passed, to decide what to do with interface types.
             """
-            assert not descriptor or not dictionary
             # Dictionaries have members that need to be actually
             # declared, not just forward-declared.
             if dictionary:
@@ -1088,22 +1075,20 @@ class CGHeaders(CGWrapper):
                         headerSet = declareIncludes
                     headerSet.add("mozilla/dom/TypedArray.h")
                 else:
-                    providers = getRelevantProviders(descriptor, config)
-                    for p in providers:
-                        try:
-                            typeDesc = p.getDescriptor(unrolled.inner.identifier.name)
-                        except NoSuchDescriptorError:
-                            continue
-                        # Dictionaries with interface members rely on the
-                        # actual class definition of that interface member
-                        # being visible in the binding header, because they
-                        # store them in RefPtr and have inline
-                        # constructors/destructors.
-                        #
-                        # XXXbz maybe dictionaries with interface members
-                        # should just have out-of-line constructors and
-                        # destructors?
-                        headerSet.add(typeDesc.headerFile)
+                    try:
+                        typeDesc = config.getDescriptor(unrolled.inner.identifier.name)
+                    except NoSuchDescriptorError:
+                        return
+                    # Dictionaries with interface members rely on the
+                    # actual class definition of that interface member
+                    # being visible in the binding header, because they
+                    # store them in RefPtr and have inline
+                    # constructors/destructors.
+                    #
+                    # XXXbz maybe dictionaries with interface members
+                    # should just have out-of-line constructors and
+                    # destructors?
+                    headerSet.add(typeDesc.headerFile)
             elif unrolled.isDictionary():
                 headerSet.add(self.getDeclarationFilename(unrolled.inner))
             elif unrolled.isCallback():
@@ -1124,7 +1109,7 @@ class CGHeaders(CGWrapper):
                     bindingHeaders.add("mozilla/dom/MozMap.h")
                 # Also add headers for the type the MozMap is
                 # parametrized over, if needed.
-                addHeadersForType((t.inner, descriptor, dictionary))
+                addHeadersForType((t.inner, dictionary))
 
         map(addHeadersForType,
             getAllTypes(descriptors + callbackDescriptors, dictionaries,
@@ -1174,10 +1159,10 @@ class CGHeaders(CGWrapper):
                 # convenience functions
                 if desc.interface.maplikeOrSetlikeOrIterable.hasKeyType():
                     addHeadersForType((desc.interface.maplikeOrSetlikeOrIterable.keyType,
-                                       desc, None))
+                                       None))
                 if desc.interface.maplikeOrSetlikeOrIterable.hasValueType():
                     addHeadersForType((desc.interface.maplikeOrSetlikeOrIterable.valueType,
-                                       desc, None))
+                                       None))
 
         for d in dictionaries:
             if d.parent:
@@ -1258,19 +1243,17 @@ def SortedDictValues(d):
 
 def UnionsForFile(config, webIDLFile):
     """
-    Returns a list of tuples each containing two elements (type and descriptor)
-    for all union types that are only used in webIDLFile. If webIDLFile is None
-    this will return the list of tuples for union types that are used in more
-    than one WebIDL file.
+    Returns a list of union types for all union types that are only used in
+    webIDLFile. If webIDLFile is None this will return the list of tuples for
+    union types that are used in more than one WebIDL file.
     """
     return config.unionsPerFilename.get(webIDLFile, [])
 
 
 def UnionTypes(unionTypes, config):
     """
-    The unionTypes argument should be a list of tuples, each containing two
-    elements: a union type and a descriptor. This is typically the list
-    generated by UnionsForFile.
+    The unionTypes argument should be a list of union types. This is typically
+    the list generated by UnionsForFile.
 
     Returns a tuple containing a set of header filenames to include in
     the header for the types in unionTypes, a set of header filenames to
@@ -1288,10 +1271,9 @@ def UnionTypes(unionTypes, config):
     traverseMethods = dict()
     unlinkMethods = dict()
 
-    for (t, descriptor) in unionTypes:
+    for t in unionTypes:
         name = str(t)
         if name not in unionStructs:
-            providers = getRelevantProviders(descriptor, config)
             unionStructs[name] = t
 
             def addHeadersForType(f):
@@ -1304,23 +1286,22 @@ def UnionTypes(unionTypes, config):
                         headers.add("jsfriendapi.h")
                         headers.add("mozilla/dom/TypedArray.h")
                     else:
-                        for p in providers:
-                            try:
-                                typeDesc = p.getDescriptor(f.inner.identifier.name)
-                            except NoSuchDescriptorError:
-                                continue
-                            if typeDesc.interface.isCallback() or isSequence:
-                                # Callback interfaces always use strong refs, so
-                                # we need to include the right header to be able
-                                # to Release() in our inlined code.
-                                #
-                                # Similarly, sequences always contain strong
-                                # refs, so we'll need the header to handler
-                                # those.
-                                headers.add(typeDesc.headerFile)
-                            else:
-                                declarations.add((typeDesc.nativeType, False))
-                                implheaders.add(typeDesc.headerFile)
+                        try:
+                            typeDesc = config.getDescriptor(f.inner.identifier.name)
+                        except NoSuchDescriptorError:
+                            return
+                        if typeDesc.interface.isCallback() or isSequence:
+                            # Callback interfaces always use strong refs, so
+                            # we need to include the right header to be able
+                            # to Release() in our inlined code.
+                            #
+                            # Similarly, sequences always contain strong
+                            # refs, so we'll need the header to handler
+                            # those.
+                            headers.add(typeDesc.headerFile)
+                        else:
+                            declarations.add((typeDesc.nativeType, False))
+                            implheaders.add(typeDesc.headerFile)
                 elif f.isDictionary():
                     # For a dictionary, we need to see its declaration in
                     # UnionTypes.h so we have its sizeof and know how big to
@@ -1375,26 +1356,23 @@ def UnionConversions(unionTypes, config):
     headers = set()
     unionConversions = dict()
 
-    for (t, descriptor) in unionTypes:
+    for t in unionTypes:
         name = str(t)
         if name not in unionConversions:
-            providers = getRelevantProviders(descriptor, config)
-            unionConversions[name] = CGUnionConversionStruct(t, providers[0])
+            unionConversions[name] = CGUnionConversionStruct(t, config)
 
-            def addHeadersForType(f, providers):
+            def addHeadersForType(f):
                 f = f.unroll()
                 if f.isInterface():
                     if f.isSpiderMonkeyInterface():
                         headers.add("jsfriendapi.h")
                         headers.add("mozilla/dom/TypedArray.h")
                     elif f.inner.isExternal():
-                        providers = getRelevantProviders(descriptor, config)
-                        for p in providers:
-                            try:
-                                typeDesc = p.getDescriptor(f.inner.identifier.name)
-                            except NoSuchDescriptorError:
-                                continue
-                            headers.add(typeDesc.headerFile)
+                        try:
+                            typeDesc = config.getDescriptor(f.inner.identifier.name)
+                        except NoSuchDescriptorError:
+                            return
+                        headers.add(typeDesc.headerFile)
                     else:
                         headers.add(CGHeaders.getDeclarationFilename(f.inner))
                 elif f.isDictionary():
@@ -1404,14 +1382,14 @@ def UnionConversions(unionTypes, config):
                 elif f.isMozMap():
                     headers.add("mozilla/dom/MozMap.h")
                     # And the internal type of the MozMap
-                    addHeadersForType(f.inner, providers)
+                    addHeadersForType(f.inner)
 
             # We plan to include UnionTypes.h no matter what, so it's
             # OK if we throw it into the set here.
             headers.add(CGHeaders.getUnionDeclarationFilename(config, t))
 
             for f in t.flatMemberTypes:
-                addHeadersForType(f, providers)
+                addHeadersForType(f)
 
     return (headers,
             CGWrapper(CGList(SortedDictValues(unionConversions), "\n"),
@@ -2032,24 +2010,8 @@ class PropertyDefiner:
 
     @staticmethod
     def getControllingCondition(interfaceMember, descriptor):
-        # We do a slightly complicated thing for exposure sets to deal nicely
-        # with the situation of an [Exposed=Window] thing on an interface
-        # exposed in workers that has a worker-specific descriptor.  In that
-        # situation, we already skip generation of the member entirely in the
-        # worker binding, and shouldn't need to check for the various worker
-        # scopes in the non-worker binding.
         interface = descriptor.interface
         nonExposureSet = interface.exposureSet - interfaceMember.exposureSet
-        # Skip getting the descriptor if we're just exposed everywhere or not
-        # looking at the non-worker descriptor.
-        if len(nonExposureSet) and not descriptor.workers:
-            workerProvider = descriptor.config.getDescriptorProvider(True)
-            workerDesc = workerProvider.getDescriptor(interface.identifier.name)
-            if workerDesc.workers:
-                # Just drop all the worker interface names from the
-                # nonExposureSet, since we know we'll have a mainthread global
-                # of some sort.
-                nonExposureSet.difference_update(interface.getWorkerExposureSet())
 
         return MemberCondition(
             PropertyDefiner.getStringAttr(interfaceMember,
@@ -2186,12 +2148,6 @@ def methodLength(method):
     return min(overloadLength(arguments) for retType, arguments in signatures)
 
 
-def isMaybeExposedIn(member, descriptor):
-    # All we can say for sure is that if this is a worker descriptor
-    # and member is not exposed in any worker, then it's not exposed.
-    return not descriptor.workers or member.isExposedInAnyWorker()
-
-
 def clearableCachedAttrs(descriptor):
     return (m for m in descriptor.interface.members if
             m.isAttr() and
@@ -2229,16 +2185,13 @@ class MethodDefiner(PropertyDefiner):
             methods = [m for m in descriptor.interface.members if
                        m.isMethod() and m.isStatic() == static and
                        MemberIsUnforgeable(m, descriptor) == unforgeable and
-                       not m.isIdentifierLess() and
-                       isMaybeExposedIn(m, descriptor)]
+                       not m.isIdentifierLess()]
         else:
             methods = []
         self.chrome = []
         self.regular = []
         for m in methods:
             if m.identifier.name == 'queryInterface':
-                if self.descriptor.workers:
-                    continue
                 if m.isStatic():
                     raise TypeError("Legacy queryInterface member shouldn't be static")
                 signatures = m.signatures()
@@ -2315,8 +2268,7 @@ class MethodDefiner(PropertyDefiner):
         # neither.
         if (not static and
             not unforgeable and
-            descriptor.supportsIndexedProperties() and
-            isMaybeExposedIn(descriptor.operations['IndexedGetter'], descriptor)):
+            descriptor.supportsIndexedProperties()):
             if hasIterator(methods, self.regular):
                 raise TypeError("Cannot have indexed getter/attr on "
                                 "interface %s with other members "
@@ -2379,8 +2331,7 @@ class MethodDefiner(PropertyDefiner):
         if not static:
             stringifier = descriptor.operations['Stringifier']
             if (stringifier and
-                unforgeable == MemberIsUnforgeable(stringifier, descriptor) and
-                isMaybeExposedIn(stringifier, descriptor)):
+                unforgeable == MemberIsUnforgeable(stringifier, descriptor)):
                 toStringDesc = {
                     "name": "toString",
                     "nativeName": stringifier.identifier.name,
@@ -2394,8 +2345,7 @@ class MethodDefiner(PropertyDefiner):
                     self.regular.append(toStringDesc)
             jsonifier = descriptor.operations['Jsonifier']
             if (jsonifier and
-                unforgeable == MemberIsUnforgeable(jsonifier, descriptor) and
-                isMaybeExposedIn(jsonifier, descriptor)):
+                unforgeable == MemberIsUnforgeable(jsonifier, descriptor)):
                 toJSONDesc = {
                     "name": "toJSON",
                     "nativeName": jsonifier.identifier.name,
@@ -2548,7 +2498,6 @@ class AttrDefiner(PropertyDefiner):
             attributes = [m for m in descriptor.interface.members if
                           m.isAttr() and m.isStatic() == static and
                           MemberIsUnforgeable(m, descriptor) == unforgeable and
-                          isMaybeExposedIn(m, descriptor) and
                           not isNonExposedNavigatorObjectGetter(m, descriptor)]
         else:
             attributes = []
@@ -2636,8 +2585,7 @@ class ConstDefiner(PropertyDefiner):
     def __init__(self, descriptor, name):
         PropertyDefiner.__init__(self, descriptor, name)
         self.name = name
-        constants = [m for m in descriptor.interface.members if m.isConst() and
-                     isMaybeExposedIn(m, descriptor)]
+        constants = [m for m in descriptor.interface.members if m.isConst()]
         self.chrome = [m for m in constants if isChromeOnly(m)]
         self.regular = [m for m in constants if not isChromeOnly(m)]
 
@@ -3299,16 +3247,6 @@ class CGDefineDOMInterfaceMethod(CGAbstractMethod):
                 Argument('bool', 'aDefineOnGlobal')]
         CGAbstractMethod.__init__(self, descriptor, 'DefineDOMInterface', 'JSObject*', args)
 
-    def declare(self):
-        if self.descriptor.workers:
-            return ''
-        return CGAbstractMethod.declare(self)
-
-    def define(self):
-        if self.descriptor.workers:
-            return ''
-        return CGAbstractMethod.define(self)
-
     def definition_body(self):
         if len(self.descriptor.interface.namedConstructors) > 0:
             getConstructor = dedent("""
@@ -3829,13 +3767,6 @@ class CGWrapGlobalMethod(CGAbstractMethod):
         else:
             chromeProperties = "nullptr"
 
-        if self.descriptor.workers:
-            fireOnNewGlobal = """// XXXkhuey can't do this yet until workers can lazy resolve.
-// JS_FireOnNewGlobalObject(aCx, aReflector);
-"""
-        else:
-            fireOnNewGlobal = ""
-
         if self.descriptor.hasUnforgeableMembers:
             declareProto = "JS::Handle<JSObject*> canonicalProto =\n"
             assertProto = (
@@ -3875,7 +3806,6 @@ class CGWrapGlobalMethod(CGAbstractMethod):
             $*{unforgeable}
 
             $*{slots}
-            $*{fireOnNewGlobal}
 
             return true;
             """,
@@ -3886,8 +3816,7 @@ class CGWrapGlobalMethod(CGAbstractMethod):
             properties=properties,
             chromeProperties=chromeProperties,
             unforgeable=CopyUnforgeablePropertiesToInstance(self.descriptor, True),
-            slots=InitMemberSlots(self.descriptor, True),
-            fireOnNewGlobal=fireOnNewGlobal)
+            slots=InitMemberSlots(self.descriptor, True))
 
 
 class CGUpdateMemberSlotsMethod(CGAbstractStaticMethod):
@@ -5386,7 +5315,7 @@ def getJSToNativeConversionInfo(type, descriptorProvider, failureCode=None,
                 """,
                 getPromiseGlobal=getPromiseGlobal,
                 exceptionCode=exceptionCode)
-        elif not descriptor.skipGen and not descriptor.interface.isConsequential() and not descriptor.interface.isExternal():
+        elif not descriptor.interface.isConsequential() and not descriptor.interface.isExternal():
             if failureCode is not None:
                 templateBody += str(CastableObjectUnwrapper(
                     descriptor,
@@ -5402,9 +5331,6 @@ def getJSToNativeConversionInfo(type, descriptorProvider, failureCode=None,
                     isCallbackReturnValue,
                     firstCap(sourceDescription)))
         else:
-            # Worker descriptors can't end up here, because all of our
-            # "external" stuff is not exposed in workers.
-            assert not descriptor.workers
             # Either external, or new-binding non-castable.  We always have a
             # holder for these, because we don't actually know whether we have
             # to addref when unwrapping or not.  So we just pass an
@@ -6497,7 +6423,7 @@ def getWrapTemplateForType(type, descriptorProvider, result, successCode,
         else:
             wrappingCode = ""
 
-        if not descriptor.interface.isExternal() and not descriptor.skipGen:
+        if not descriptor.interface.isExternal():
             if descriptor.wrapperCache:
                 wrapMethod = "GetOrCreateDOMReflector"
                 wrapArgs = "cx, %s, ${jsvalHandle}" % result
@@ -7691,31 +7617,7 @@ class CGMethodCall(CGThing):
                                       isConstructor=isConstructor,
                                       useCounterName=useCounterName)
 
-        def filteredSignatures(signatures, descriptor):
-            def typeExposedInWorkers(type):
-                return (not type.isGeckoInterface() or
-                        type.inner.isExposedInAnyWorker())
-            if descriptor.workers:
-                # Filter out the signatures that should not be exposed in a
-                # worker.  The IDL parser enforces the return value being
-                # exposed correctly, but we have to check the argument types.
-                #
-                # If this code changes, adjust the self._deps
-                # computation in CGDDescriptor.__init__ as needed.
-                assert all(typeExposedInWorkers(sig[0]) for sig in signatures)
-                signatures = filter(
-                    lambda sig: all(typeExposedInWorkers(arg.type)
-                                    for arg in sig[1]),
-                    signatures)
-                if len(signatures) == 0:
-                    raise TypeError("%s.%s has a worker binding with no "
-                                    "signatures that take arguments exposed in "
-                                    "workers." %
-                                    (descriptor.interface.identifier.name,
-                                     method.identifier.name))
-            return signatures
-
-        signatures = filteredSignatures(method.signatures(), descriptor)
+        signatures = method.signatures()
         if len(signatures) == 1:
             # Special case: we can just do a per-signature method call
             # here for our one signature and not worry about switching
@@ -7745,17 +7647,13 @@ class CGMethodCall(CGThing):
 
         argCountCases = []
         for argCountIdx, argCount in enumerate(allowedArgCounts):
-            possibleSignatures = filteredSignatures(
-                method.signaturesForArgCount(argCount),
-                descriptor)
+            possibleSignatures = method.signaturesForArgCount(argCount)
 
             # Try to optimize away cases when the next argCount in the list
             # will have the same code as us; if it does, we can fall through to
             # that case.
             if argCountIdx+1 < len(allowedArgCounts):
-                nextPossibleSignatures = filteredSignatures(
-                    method.signaturesForArgCount(allowedArgCounts[argCountIdx+1]),
-                    descriptor)
+                nextPossibleSignatures = method.signaturesForArgCount(allowedArgCounts[argCountIdx+1])
             else:
                 nextPossibleSignatures = None
             if possibleSignatures == nextPossibleSignatures:
@@ -11981,21 +11879,6 @@ class CGDescriptor(CGThing):
         assert not descriptor.concrete or descriptor.interface.hasInterfacePrototypeObject()
 
         self._deps = descriptor.interface.getDeps()
-        # If we have a worker descriptor, add dependencies on interface types we
-        # have as method arguments to overloaded methods.  See the
-        # filteredSignatures() bit in CGMethodCall.  Note that we have to add
-        # both interfaces that _are_ exposed in workers and ones that aren't;
-        # the idea is that we have to notice when the exposure set changes.
-        if descriptor.workers:
-            methods = (m for m in descriptor.interface.members if
-                       m.isMethod() and isMaybeExposedIn(m, descriptor) and
-                       len(m.signatures()) != 1)
-            for m in methods:
-                for sig in m.signatures():
-                    for arg in sig[1]:
-                        if (arg.type.isGeckoInterface() and
-                            not arg.type.inner.isExternal()):
-                            self._deps.add(arg.type.inner.filename())
 
         cgThings = []
         cgThings.append(CGGeneric(declare="typedef %s NativeType;\n" %
@@ -12019,8 +11902,6 @@ class CGDescriptor(CGThing):
         for m in descriptor.interface.members:
             if m.isMethod() and m.identifier.name == 'queryInterface':
                 continue
-            if not isMaybeExposedIn(m, descriptor):
-                continue
 
             props = memberProperties(m, descriptor)
 
@@ -13070,25 +12951,9 @@ class CGRegisterWorkerBindings(CGAbstractMethod):
         self.config = config
 
     def definition_body(self):
-        # We have to be a bit careful: Some of the interfaces we want to expose
-        # in workers only have one descriptor, while others have both a worker
-        # and a non-worker descriptor.  When both are present we want the worker
-        # descriptor, but otherwise we want whatever descriptor we've got.
         descriptors = self.config.getDescriptors(hasInterfaceObject=True,
                                                  isExposedInAnyWorker=True,
-                                                 register=True,
-                                                 skipGen=False,
-                                                 workers=True)
-        workerDescriptorIfaceNames = set(d.interface.identifier.name for
-                                         d in descriptors)
-        descriptors.extend(
-            filter(
-                lambda d: d.interface.identifier.name not in workerDescriptorIfaceNames,
-                self.config.getDescriptors(hasInterfaceObject=True,
-                                           isExposedInAnyWorker=True,
-                                           register=True,
-                                           skipGen=False,
-                                           workers=False)))
+                                                 register=True)
         conditions = []
         for desc in descriptors:
             bindingNS = toBindingNamespace(desc.name)
@@ -13111,25 +12976,9 @@ class CGRegisterWorkerDebuggerBindings(CGAbstractMethod):
         self.config = config
 
     def definition_body(self):
-        # We have to be a bit careful: Some of the interfaces we want to expose
-        # in workers only have one descriptor, while others have both a worker
-        # and a non-worker descriptor.  When both are present we want the worker
-        # descriptor, but otherwise we want whatever descriptor we've got.
         descriptors = self.config.getDescriptors(hasInterfaceObject=True,
                                                  isExposedInWorkerDebugger=True,
-                                                 register=True,
-                                                 skipGen=False,
-                                                 workers=True)
-        workerDescriptorIfaceNames = set(d.interface.identifier.name for
-                                         d in descriptors)
-        descriptors.extend(
-            filter(
-                lambda d: d.interface.identifier.name not in workerDescriptorIfaceNames,
-                self.config.getDescriptors(hasInterfaceObject=True,
-                                           isExposedInWorkerDebugger=True,
-                                           register=True,
-                                           skipGen=False,
-                                           workers=False)))
+                                                 register=True)
         conditions = []
         for desc in descriptors:
             bindingNS = toBindingNamespace(desc.name)
@@ -13156,9 +13005,7 @@ class CGResolveSystemBinding(CGAbstractMethod):
     def definition_body(self):
         descriptors = self.config.getDescriptors(hasInterfaceObject=True,
                                                  isExposedInSystemGlobals=True,
-                                                 workers=False,
-                                                 register=True,
-                                                 skipGen=False)
+                                                 register=True)
 
         def descNameToId(name):
             return "s%s_id" % name
@@ -13343,24 +13190,16 @@ class ForwardDeclarationBuilder:
     def build(self):
         return self._build(atTopLevel=True)
 
-    def forwardDeclareForType(self, t, config, workerness='both'):
+    def forwardDeclareForType(self, t, config):
         t = t.unroll()
         if t.isGeckoInterface():
             name = t.inner.identifier.name
-            # Find and add the non-worker implementation, if any.
-            if workerness != 'workeronly':
-                try:
-                    desc = config.getDescriptor(name, False)
-                    self.add(desc.nativeType)
-                except NoSuchDescriptorError:
-                    pass
-            # Find and add the worker implementation, if any.
-            if workerness != 'mainthreadonly':
-                try:
-                    desc = config.getDescriptor(name, True)
-                    self.add(desc.nativeType)
-                except NoSuchDescriptorError:
-                    pass
+            try:
+                desc = config.getDescriptor(name)
+                self.add(desc.nativeType)
+            except NoSuchDescriptorError:
+                pass
+
         # Note: Spidermonkey interfaces are typedefs, so can't be
         # forward-declared
         elif t.isCallback():
@@ -13375,7 +13214,7 @@ class ForwardDeclarationBuilder:
             self.addInMozillaDom(CGUnionStruct.unionTypeName(t, False))
             self.addInMozillaDom(CGUnionStruct.unionTypeName(t, True))
         elif t.isMozMap():
-            self.forwardDeclareForType(t.inner, config, workerness)
+            self.forwardDeclareForType(t.inner, config)
         # Don't need to do anything for void, primitive, string, any or object.
         # There may be some other cases we are missing.
 
@@ -13387,7 +13226,7 @@ class CGForwardDeclarations(CGWrapper):
     boolean. If the boolean is true we will declare a struct, otherwise we'll
     declare a class.
     """
-    def __init__(self, config, descriptors, mainCallbacks, workerCallbacks,
+    def __init__(self, config, descriptors, callbacks,
                  dictionaries, callbackInterfaces, additionalDeclarations=[]):
         builder = ForwardDeclarationBuilder()
 
@@ -13424,16 +13263,10 @@ class CGForwardDeclarations(CGWrapper):
                 continue
             builder.add(d.nativeType + "Atoms", isStruct=True)
 
-        for callback in mainCallbacks:
+        for callback in callbacks:
             builder.addInMozillaDom(callback.identifier.name)
             for t in getTypesFromCallback(callback):
-                builder.forwardDeclareForType(t, config,
-                                              workerness='mainthreadonly')
-
-        for callback in workerCallbacks:
-            builder.addInMozillaDom(callback.identifier.name)
-            for t in getTypesFromCallback(callback):
-                builder.forwardDeclareForType(t, config, workerness='workeronly')
+                builder.forwardDeclareForType(t, config)
 
         for d in callbackInterfaces:
             builder.add(d.nativeType)
@@ -13471,8 +13304,7 @@ class CGBindingRoot(CGThing):
             True)
 
         descriptors = config.getDescriptors(webIDLFile=webIDLFile,
-                                            hasInterfaceOrInterfacePrototypeObject=True,
-                                            skipGen=False)
+                                            hasInterfaceOrInterfacePrototypeObject=True)
 
         unionTypes = UnionsForFile(config, webIDLFile)
 
@@ -13533,14 +13365,11 @@ class CGBindingRoot(CGThing):
 
         # XXXkhuey ugly hack but this is going away soon.
         bindingHeaders['xpcprivate.h'] = webIDLFile.endswith("EventTarget.webidl")
-        hasWorkerStuff = len(config.getDescriptors(webIDLFile=webIDLFile,
-                                                   workers=True)) != 0
-        bindingHeaders["WorkerPrivate.h"] = hasWorkerStuff
 
-        hasThreadChecks = hasWorkerStuff or any(d.hasThreadChecks() for d in descriptors)
+        hasThreadChecks = any(d.hasThreadChecks() for d in descriptors)
         bindingHeaders["nsThreadUtils.h"] = hasThreadChecks
 
-        dictionaries = config.getDictionaries(webIDLFile=webIDLFile)
+        dictionaries = config.getDictionaries(webIDLFile)
 
         def dictionaryHasChromeOnly(dictionary):
             while dictionary:
@@ -13554,10 +13383,7 @@ class CGBindingRoot(CGThing):
             any(dictionaryHasChromeOnly(d) for d in dictionaries))
         hasNonEmptyDictionaries = any(
             len(dict.members) > 0 for dict in dictionaries)
-        mainCallbacks = config.getCallbacks(webIDLFile=webIDLFile,
-                                            workers=False)
-        workerCallbacks = config.getCallbacks(webIDLFile=webIDLFile,
-                                              workers=True)
+        callbacks = config.getCallbacks(webIDLFile)
         callbackDescriptors = config.getDescriptors(webIDLFile=webIDLFile,
                                                     isCallback=True)
         jsImplemented = config.getDescriptors(webIDLFile=webIDLFile,
@@ -13566,9 +13392,6 @@ class CGBindingRoot(CGThing):
         bindingHeaders["nsIGlobalObject.h"] = jsImplemented
         bindingHeaders["AtomList.h"] = hasNonEmptyDictionaries or jsImplemented or callbackDescriptors
 
-        # Only mainthread things can have hasXPConnectImpls
-        provider = config.getDescriptorProvider(False)
-
         def descriptorClearsPropsInSlots(descriptor):
             if not descriptor.wrapperCache:
                 return False
@@ -13581,7 +13404,7 @@ class CGBindingRoot(CGThing):
         cgthings = [CGEnum(e) for e in enums]
 
         hasCode = (descriptors or callbackDescriptors or dictionaries or
-                   mainCallbacks or workerCallbacks)
+                   callbacks)
         bindingHeaders["mozilla/dom/BindingUtils.h"] = hasCode
         bindingHeaders["mozilla/OwningNonNull.h"] = hasCode
         bindingHeaders["mozilla/dom/BindingDeclarations.h"] = (
@@ -13646,36 +13469,27 @@ class CGBindingRoot(CGThing):
 
         for t in dependencySortObjects(dictionaries + unionStructs, getDependencies, getName):
             if t.isDictionary():
-                cgthings.append(CGDictionary(t, config.getDescriptorProvider(False)))
+                cgthings.append(CGDictionary(t, config))
             else:
                 assert t.isUnion()
-                # FIXME: Unions are broken in workers.  See bug 809899.
-                cgthings.append(CGUnionStruct(t, config.getDescriptorProvider(False)))
-                cgthings.append(CGUnionStruct(t, config.getDescriptorProvider(False), True))
+                cgthings.append(CGUnionStruct(t, config))
+                cgthings.append(CGUnionStruct(t, config, True))
 
         # Do codegen for all the callbacks.
-        cgthings.extend(CGCallbackFunction(c, config.getDescriptorProvider(False))
-                        for c in mainCallbacks)
+        cgthings.extend(CGCallbackFunction(c, config) for c in callbacks)
 
         cgthings.extend([CGNamespace('binding_detail', CGFastCallback(c))
-                         for c in mainCallbacks])
-
-        cgthings.extend(CGCallbackFunction(c, config.getDescriptorProvider(True))
-                        for c in workerCallbacks if c not in mainCallbacks)
-
-        cgthings.extend([CGNamespace('binding_detail', CGFastCallback(c))
-                         for c in workerCallbacks if c not in mainCallbacks])
+                         for c in callbacks])
 
         # Do codegen for all the descriptors
         cgthings.extend([CGDescriptor(x) for x in descriptors])
 
-        # Do codegen for all the callback interfaces.  Skip worker callbacks.
-        cgthings.extend([CGCallbackInterface(x) for x in callbackDescriptors if
-                         not x.workers])
+        # Do codegen for all the callback interfaces.
+        cgthings.extend([CGCallbackInterface(x) for x in callbackDescriptors])
 
         cgthings.extend([CGNamespace('binding_detail',
                                      CGFastCallback(x.interface))
-                         for x in callbackDescriptors if not x.workers])
+                         for x in callbackDescriptors])
 
         # Do codegen for JS implemented classes
         def getParentDescriptor(desc):
@@ -13695,7 +13509,7 @@ class CGBindingRoot(CGThing):
                                  CGWrapper(curr, pre="\n"))
 
         curr = CGList([CGForwardDeclarations(config, descriptors,
-                                             mainCallbacks, workerCallbacks,
+                                             callbacks,
                                              dictionaries,
                                              callbackDescriptors + jsImplemented,
                                              additionalDeclarations=unionDeclarations),
@@ -13712,7 +13526,7 @@ class CGBindingRoot(CGThing):
 
         curr = CGHeaders(descriptors,
                          dictionaries,
-                         mainCallbacks + workerCallbacks,
+                         callbacks,
                          callbackDescriptors,
                          bindingDeclareHeaders,
                          bindingHeaders,
@@ -14474,8 +14288,7 @@ class CGExampleRoot(CGThing):
     respectively.
     """
     def __init__(self, config, interfaceName):
-        # Let's assume we're not doing workers stuff
-        descriptor = config.getDescriptor(interfaceName, False)
+        descriptor = config.getDescriptor(interfaceName)
 
         self.root = CGWrapper(CGExampleClass(descriptor),
                               pre="\n", post="\n")
@@ -16441,13 +16254,11 @@ class GlobalGenRoots():
         # Add the includes
         defineIncludes = [CGHeaders.getDeclarationFilename(desc.interface)
                           for desc in config.getDescriptors(hasInterfaceObject=True,
-                                                            workers=False,
                                                             isExposedInWindow=True,
                                                             register=True)]
         defineIncludes.append('mozilla/dom/WebIDLGlobalNameHash.h')
         defineIncludes.extend([CGHeaders.getDeclarationFilename(desc.interface)
                                for desc in config.getDescriptors(isNavigatorProperty=True,
-                                                                 workers=False,
                                                                  register=True)])
         curr = CGHeaders([], [], [], [], [], defineIncludes, 'RegisterBindings',
                          curr)
@@ -16472,8 +16283,7 @@ class GlobalGenRoots():
         defineIncludes = [CGHeaders.getDeclarationFilename(desc.interface)
                           for desc in config.getDescriptors(hasInterfaceObject=True,
                                                             register=True,
-                                                            isExposedInAnyWorker=True,
-                                                            skipGen=False)]
+                                                            isExposedInAnyWorker=True)]
 
         curr = CGHeaders([], [], [], [], [], defineIncludes,
                          'RegisterWorkerBindings', curr)
@@ -16498,8 +16308,7 @@ class GlobalGenRoots():
         defineIncludes = [CGHeaders.getDeclarationFilename(desc.interface)
                           for desc in config.getDescriptors(hasInterfaceObject=True,
                                                             register=True,
-                                                            isExposedInWorkerDebugger=True,
-                                                            skipGen=False)]
+                                                            isExposedInWorkerDebugger=True)]
 
         curr = CGHeaders([], [], [], [], [], defineIncludes,
                          'RegisterWorkerDebuggerBindings', curr)
@@ -16524,8 +16333,7 @@ class GlobalGenRoots():
         defineIncludes = [CGHeaders.getDeclarationFilename(desc.interface)
                           for desc in config.getDescriptors(hasInterfaceObject=True,
                                                             register=True,
-                                                            isExposedInSystemGlobals=True,
-                                                            skipGen=False)]
+                                                            isExposedInSystemGlobals=True)]
         defineIncludes.append("nsThreadUtils.h")  # For NS_IsMainThread
         defineIncludes.append("js/Id.h")  # For jsid
         defineIncludes.append("mozilla/dom/BindingUtils.h")  # AtomizeAndPinJSString
@@ -16548,8 +16356,8 @@ class GlobalGenRoots():
 
         unions = CGList(traverseMethods +
                         unlinkMethods +
-                        [CGUnionStruct(t, config.getDescriptorProvider(False)) for t in unionStructs] +
-                        [CGUnionStruct(t, config.getDescriptorProvider(False), True) for t in unionStructs],
+                        [CGUnionStruct(t, config) for t in unionStructs] +
+                        [CGUnionStruct(t, config, True) for t in unionStructs],
                         "\n")
 
         includes.add("mozilla/OwningNonNull.h")
@@ -16584,7 +16392,7 @@ class GlobalGenRoots():
         unionTypes = []
         for l in config.unionsPerFilename.itervalues():
             unionTypes.extend(l)
-        unionTypes.sort(key=lambda u: u[0].name)
+        unionTypes.sort(key=lambda u: u.name)
         headers, unions = UnionConversions(unionTypes,
                                            config)
 
@@ -17112,8 +16920,7 @@ class CGEventClass(CGBindingImplClass):
 
 class CGEventRoot(CGThing):
     def __init__(self, config, interfaceName):
-        # Let's assume we're not doing workers stuff, for now
-        descriptor = config.getDescriptor(interfaceName, False)
+        descriptor = config.getDescriptor(interfaceName)
 
         self.root = CGWrapper(CGEventClass(descriptor),
                               pre="\n", post="\n")
@@ -17132,7 +16939,7 @@ class CGEventRoot(CGThing):
             [],
             [],
             [
-                config.getDescriptor(parent, False).headerFile,
+                config.getDescriptor(parent).headerFile,
                 "mozilla/Attributes.h",
                 "mozilla/ErrorResult.h",
                 "mozilla/dom/%sBinding.h" % interfaceName,

dom/bindings/Configuration.py

@@ -9,12 +9,22 @@ from collections import defaultdict
 autogenerated_comment = "/* THIS FILE IS AUTOGENERATED - DO NOT EDIT */\n"
 
 
-class Configuration:
+class DescriptorProvider:
+    """
+    A way of getting descriptors for interface names.  Subclasses must
+    have a getDescriptor method callable with the interface name only.
+    """
+    def __init__(self):
+        pass
+
+
+class Configuration(DescriptorProvider):
     """
     Represents global configuration state based on IDL parse data and
     the configuration file.
     """
     def __init__(self, filename, parseData, generatedEvents=[]):
+        DescriptorProvider.__init__(self)
 
         # Read the configuration file.
         glbl = {}
@@ -67,34 +77,14 @@ class Configuration:
                 entry = {}
             else:
                 entry = config[iface.identifier.name]
-            if not isinstance(entry, list):
-                assert isinstance(entry, dict)
-                entry = [entry]
-            elif len(entry) == 1:
-                if entry[0].get("workers", False):
-                    # List with only a workers descriptor means we should
-                    # infer a mainthread descriptor.  If you want only
-                    # workers bindings, don't use a list here.
-                    entry.append({})
-                else:
-                    raise TypeError("Don't use a single-element list for "
-                                    "non-worker-only interface " + iface.identifier.name +
-                                    " in Bindings.conf")
-            elif len(entry) == 2:
-                if entry[0].get("workers", False) == entry[1].get("workers", False):
-                    raise TypeError("The two entries for interface " + iface.identifier.name +
-                                    " in Bindings.conf should not have the same value for 'workers'")
-            else:
-                raise TypeError("Interface " + iface.identifier.name +
-                                " should have no more than two entries in Bindings.conf")
-            descs = [Descriptor(self, iface, x) for x in entry]
-            self.descriptors.extend(descs)
+            assert not isinstance(entry, list)
+            desc = Descriptor(self, iface, entry)
+            self.descriptors.append(desc)
             # Setting up descriptorsByName while iterating through interfaces
             # means we can get the nativeType of iterable interfaces without
             # having to do multiple loops.
-            for d in descs:
-                self.descriptorsByName.setdefault(d.interface.identifier.name,
-                                                  []).append(d)
+            assert desc.interface.identifier.name not in self.descriptorsByName
+            self.descriptorsByName[desc.interface.identifier.name] = desc
 
         # Keep the descriptor list sorted for determinism.
         self.descriptors.sort(lambda x, y: cmp(x.name, y.name))
@@ -107,19 +97,6 @@ class Configuration:
 
         self.enums = [e for e in parseData if e.isEnum()]
 
-        # Figure out what our main-thread and worker dictionaries and callbacks
-        # are.
-        mainTypes = set()
-        for descriptor in ([self.getDescriptor("DummyInterface", workers=False)] +
-                           self.getDescriptors(workers=False, isExternal=False, skipGen=False)):
-            mainTypes |= set(getFlatTypes(getTypesFromDescriptor(descriptor)))
-        (mainCallbacks, mainDictionaries) = findCallbacksAndDictionaries(mainTypes)
-
-        workerTypes = set()
-        for descriptor in (self.getDescriptors(workers=True, isExternal=False, skipGen=False)):
-            workerTypes |= set(getFlatTypes(getTypesFromDescriptor(descriptor)))
-        (workerCallbacks, workerDictionaries) = findCallbacksAndDictionaries(workerTypes)
-
         self.dictionaries = [d for d in parseData if d.isDictionary()]
         self.callbacks = [c for c in parseData if
                           c.isCallback() and not c.isInterface()]
@@ -128,15 +105,15 @@ class Configuration:
         # union types with that name are used.
         self.filenamesPerUnion = defaultdict(set)
 
-        # Dictionary mapping from a filename to a list of tuples containing a
-        # type and descriptor for the union types used in that file. If a union
-        # type is used in multiple files then it will be added to the list
-        # for the None key. Note that the list contains a tuple for every use of
-        # a union type, so there can be multiple tuples with union types that
-        # have the same name.
+        # Dictionary mapping from a filename to a list of types for
+        # the union types used in that file. If a union type is used
+        # in multiple files then it will be added to the list for the
+        # None key. Note that the list contains a type for every use
+        # of a union type, so there can be multiple entries with union
+        # types that have the same name.
         self.unionsPerFilename = defaultdict(list)
 
-        for (t, descriptor, _) in getAllTypes(self.descriptors, self.dictionaries, self.callbacks):
+        for (t, _) in getAllTypes(self.descriptors, self.dictionaries, self.callbacks):
             while True:
                 if t.isMozMap():
                     t = t.inner
@@ -172,7 +149,7 @@ class Configuration:
                                 # unions for the file where we previously found
                                 # them.
                                 unionsForFilename = self.unionsPerFilename[f]
-                                unionsForFilename = filter(lambda u: u[0].name != t.name,
+                                unionsForFilename = filter(lambda u: u.name != t.name,
                                                            unionsForFilename)
                                 if len(unionsForFilename) == 0:
                                     del self.unionsPerFilename[f]
@@ -181,17 +158,9 @@ class Configuration:
                         # Unions with this name appear in multiple files, record
                         # the filename as None, so that we can detect that.
                         uniqueFilenameForUnion = None
-                    self.unionsPerFilename[uniqueFilenameForUnion].append((t, descriptor))
+                    self.unionsPerFilename[uniqueFilenameForUnion].append(t)
                     filenamesForUnion.add(t.filename())
 
-        def flagWorkerOrMainThread(items, main, worker):
-            for item in items:
-                if item in main:
-                    item.setUserData("mainThread", True)
-                if item in worker:
-                    item.setUserData("workers", True)
-        flagWorkerOrMainThread(self.callbacks, mainCallbacks, workerCallbacks)
-
     def getInterface(self, ifname):
         return self.interfaces[ifname]
 
@@ -245,43 +214,23 @@ class Configuration:
     def getEnums(self, webIDLFile):
         return filter(lambda e: e.filename() == webIDLFile, self.enums)
 
-    @staticmethod
-    def _filterForFileAndWorkers(items, filters):
-        """Gets the items that match the given filters."""
-        for key, val in filters.iteritems():
-            if key == 'webIDLFile':
-                items = filter(lambda x: x.filename() == val, items)
-            elif key == 'workers':
-                if val:
-                    items = filter(lambda x: x.getUserData("workers", False), items)
-                else:
-                    items = filter(lambda x: x.getUserData("mainThread", False), items)
-            else:
-                assert(0)  # Unknown key
-        return items
+    def getDictionaries(self, webIDLFile):
+        return filter(lambda d: d.filename() == webIDLFile, self.dictionaries)
 
-    def getDictionaries(self, **filters):
-        return self._filterForFileAndWorkers(self.dictionaries, filters)
+    def getCallbacks(self, webIDLFile):
+        return filter(lambda c: c.filename() == webIDLFile, self.callbacks)
 
-    def getCallbacks(self, **filters):
-        return self._filterForFileAndWorkers(self.callbacks, filters)
-
-    def getDescriptor(self, interfaceName, workers):
+    def getDescriptor(self, interfaceName):
         """
-        Gets the appropriate descriptor for the given interface name
-        and the given workers boolean.
+        Gets the appropriate descriptor for the given interface name.
         """
         # We may have optimized out this descriptor, but the chances of anyone
         # asking about it are then slim.  Put the check for that _after_ we've
-        # done our normal lookups.  But that means we have to do our normal
-        # lookups in a way that will not throw if they fail.
-        for d in self.descriptorsByName.get(interfaceName, []):
-            if d.workers == workers:
-                return d
-
-        if workers:
-            for d in self.descriptorsByName.get(interfaceName, []):
-                return d
+        # done our normal lookup.  But that means we have to do our normal
+        # lookup in a way that will not throw if it fails.
+        d = self.descriptorsByName.get(interfaceName, None)
+        if d:
+            return d
 
         if interfaceName in self.optimizedOutDescriptorNames:
             raise NoSuchDescriptorError(
@@ -291,36 +240,12 @@ class Configuration:
 
         raise NoSuchDescriptorError("For " + interfaceName + " found no matches")
 
-    def getDescriptorProvider(self, workers):
-        """
-        Gets a descriptor provider that can provide descriptors as needed,
-        for the given workers boolean
-        """
-        return DescriptorProvider(self, workers)
-
 
 class NoSuchDescriptorError(TypeError):
     def __init__(self, str):
         TypeError.__init__(self, str)
 
 
-class DescriptorProvider:
-    """
-    A way of getting descriptors for interface names
-    """
-    def __init__(self, config, workers):
-        self.config = config
-        self.workers = workers
-
-    def getDescriptor(self, interfaceName):
-        """
-        Gets the appropriate descriptor for the given interface name given the
-        context of the current descriptor. This selects the appropriate
-        implementation for cases like workers.
-        """
-        return self.config.getDescriptor(interfaceName, self.workers)
-
-
 def methodReturnsJSObject(method):
     assert method.isMethod()
     if method.returnsPromise():
@@ -350,14 +275,11 @@ class Descriptor(DescriptorProvider):
     Represents a single descriptor for an interface. See Bindings.conf.
     """
     def __init__(self, config, interface, desc):
-        DescriptorProvider.__init__(self, config, desc.get('workers', False))
+        DescriptorProvider.__init__(self)
+        self.config = config
         self.interface = interface
 
-        if self.workers:
-            assert 'wantsXrays' not in desc
-            self.wantsXrays = False
-        else:
-            self.wantsXrays = desc.get('wantsXrays', True)
+        self.wantsXrays = interface.isExposedInWindow()
 
         # Read the desc, and fill in the relevant defaults.
         ifaceName = self.interface.identifier.name
@@ -372,15 +294,9 @@ class Descriptor(DescriptorProvider):
             nativeTypeDefault = iteratorNativeType(itrDesc)
 
         elif self.interface.isExternal():
-            assert not self.workers
             nativeTypeDefault = "nsIDOM" + ifaceName
-        elif self.interface.isCallback():
-            nativeTypeDefault = "mozilla::dom::" + ifaceName
         else:
-            if self.workers:
-                nativeTypeDefault = "mozilla::dom::workers::" + ifaceName
-            else:
-                nativeTypeDefault = "mozilla::dom::" + ifaceName
+            nativeTypeDefault = "mozilla::dom::" + ifaceName
 
         self.nativeType = desc.get('nativeType', nativeTypeDefault)
         # Now create a version of nativeType that doesn't have extra
@@ -405,9 +321,7 @@ class Descriptor(DescriptorProvider):
             basename = os.path.basename(self.interface.filename())
             headerDefault = basename.replace('.webidl', 'Binding.h')
         else:
-            if self.workers:
-                headerDefault = "mozilla/dom/workers/bindings/%s.h" % ifaceName
-            elif not self.interface.isExternal() and self.interface.getExtendedAttribute("HeaderFile"):
+            if not self.interface.isExternal() and self.interface.getExtendedAttribute("HeaderFile"):
                 headerDefault = self.interface.getExtendedAttribute("HeaderFile")[0]
             elif self.interface.isIteratorInterface():
                 headerDefault = "mozilla/dom/IterableIterator.h"
@@ -421,8 +335,6 @@ class Descriptor(DescriptorProvider):
         else:
             self.jsImplParentHeader = self.jsImplParent.replace("::", "/") + ".h"
 
-        self.skipGen = desc.get('skipGen', False)
-
         self.notflattened = desc.get('notflattened', False)
         self.register = desc.get('register', True)
 
@@ -551,9 +463,7 @@ class Descriptor(DescriptorProvider):
             # object (that is, when we're not using SpiderMonkey promises).
             self.wrapperCache = self.interface.hasInterfaceObject()
 
-        def make_name(name):
-            return name + "_workers" if self.workers else name
-        self.name = make_name(interface.identifier.name)
+        self.name = interface.identifier.name
 
         # self.extendedAttributes is a dict of dicts, keyed on
         # all/getterOnly/setterOnly and then on member name. Values are an
@@ -691,8 +601,7 @@ class Descriptor(DescriptorProvider):
     def hasInterfaceOrInterfacePrototypeObject(self):
 
         # Forward-declared interfaces don't need either interface object or
-        # interface prototype object as they're going to use QI (on main thread)
-        # or be passed as a JSObject (on worker threads).
+        # interface prototype object as they're going to use QI.
         if self.interface.isExternal():
             return False
 
@@ -707,17 +616,12 @@ class Descriptor(DescriptorProvider):
 
     def getExtendedAttributes(self, member, getter=False, setter=False):
         def ensureValidThrowsExtendedAttribute(attr):
-            assert(attr is None or attr is True or len(attr) == 1)
-            if (attr is not None and attr is not True and
-                'Workers' not in attr and 'MainThread' not in attr):
+            if (attr is not None and attr is not True):
                 raise TypeError("Unknown value for 'Throws': " + attr[0])
 
         def maybeAppendInfallibleToAttrs(attrs, throws):
             ensureValidThrowsExtendedAttribute(throws)
-            if (throws is None or
-                (throws is not True and
-                 ('Workers' not in throws or not self.workers) and
-                 ('MainThread' not in throws or self.workers))):
+            if throws is None:
                 attrs.append("infallible")
 
         name = member.identifier.name
@@ -832,10 +736,15 @@ class Descriptor(DescriptorProvider):
     def registersGlobalNamesOnWindow(self):
         return (not self.interface.isExternal() and
                 self.interface.hasInterfaceObject() and
-                not self.workers and
                 self.interface.isExposedInWindow() and
                 self.register)
 
+    def getDescriptor(self, interfaceName):
+        """
+        Gets the appropriate descriptor for the given interface name.
+        """
+        return self.config.getDescriptor(interfaceName)
+
 
 # Some utility methods
 def getTypesFromDescriptor(descriptor):
@@ -892,54 +801,23 @@ def getTypesFromCallback(callback):
     return types
 
 
-def findCallbacksAndDictionaries(inputTypes):
-    """
-    Ensure that all callbacks and dictionaries reachable from types end up in
-    the returned callbacks and dictionaries sets.
-
-    Note that we assume that our initial invocation already includes all types
-    reachable via descriptors in "types", so we only have to deal with things
-    that are themeselves reachable via callbacks and dictionaries.
-    """
-    def doFindCallbacksAndDictionaries(types, callbacks, dictionaries):
-        unhandledTypes = set()
-        for type in types:
-            if type.isCallback() and type.callback not in callbacks:
-                unhandledTypes |= getFlatTypes(getTypesFromCallback(type.callback))
-                callbacks.add(type.callback)
-            elif type.isDictionary() and type.inner not in dictionaries:
-                d = type.inner
-                unhandledTypes |= getFlatTypes(getTypesFromDictionary(d))
-                while d:
-                    dictionaries.add(d)
-                    d = d.parent
-        if len(unhandledTypes) != 0:
-            doFindCallbacksAndDictionaries(unhandledTypes, callbacks, dictionaries)
-
-    retCallbacks = set()
-    retDictionaries = set()
-    doFindCallbacksAndDictionaries(inputTypes, retCallbacks, retDictionaries)
-    return (retCallbacks, retDictionaries)
-
-
 def getAllTypes(descriptors, dictionaries, callbacks):
     """
     Generate all the types we're dealing with.  For each type, a tuple
-    containing type, descriptor, dictionary is yielded.  The
-    descriptor and dictionary can be None if the type does not come
-    from a descriptor or dictionary; they will never both be non-None.
+    containing type, dictionary is yielded.  The dictionary can be None if the
+    type does not come from a dictionary.
     """
     for d in descriptors:
         if d.interface.isExternal():
             continue
         for t in getTypesFromDescriptor(d):
-            yield (t, d, None)
+            yield (t, None)
     for dictionary in dictionaries:
         for t in getTypesFromDictionary(dictionary):
-            yield (t, None, dictionary)
+            yield (t, dictionary)
     for callback in callbacks:
         for t in getTypesFromCallback(callback):
-            yield (t, None, None)
+            yield (t, None)
 
 def iteratorNativeType(descriptor):
     assert descriptor.interface.isIterable()

dom/bindings/SimpleGlobalObject.cpp

@@ -9,13 +9,15 @@
 #include "jsapi.h"
 #include "js/Class.h"
 
-#include "nsContentUtils.h"
 #include "nsJSPrincipals.h"
 #include "nsNullPrincipal.h"
 #include "nsThreadUtils.h"
+#include "nsContentUtils.h"
 
 #include "xpcprivate.h"
 
+#include "mozilla/dom/ScriptSettings.h"
+
 namespace mozilla {
 namespace dom {
 
@@ -90,60 +92,67 @@ const js::Class SimpleGlobalClass = {
 JSObject*
 SimpleGlobalObject::Create(GlobalType globalType, JS::Handle<JS::Value> proto)
 {
-  JSContext* cx = nsContentUtils::GetDefaultJSContextForThread();
-  JSAutoRequest ar(cx);
+  // We can't root our return value with our AutoJSAPI because the rooting
+  // analysis thinks ~AutoJSAPI can GC.  So we need to root in a scope outside
+  // the lifetime of the AutoJSAPI.
+  JS::Rooted<JSObject*> global(nsContentUtils::RootingCx());
 
-  JS::CompartmentOptions options;
-  options.creationOptions().setInvisibleToDebugger(true);
+  { // Scope to ensure the AutoJSAPI destructor runs before we end up returning
+    AutoJSAPI jsapi;
+    jsapi.Init();
+    JSContext* cx = jsapi.cx();
 
-  JS::Rooted<JSObject*> global(cx);
+    JS::CompartmentOptions options;
+    options.creationOptions().setInvisibleToDebugger(true);
 
-  if (NS_IsMainThread()) {
-    nsCOMPtr<nsIPrincipal> principal = nsNullPrincipal::Create();
-    options.creationOptions().setTrace(xpc::TraceXPCGlobal);
-    global = xpc::CreateGlobalObject(cx, js::Jsvalify(&SimpleGlobalClass),
-                                     nsJSPrincipals::get(principal),
-                                     options);
-  } else {
-    global = JS_NewGlobalObject(cx, js::Jsvalify(&SimpleGlobalClass),
-                                nullptr,
-                                JS::DontFireOnNewGlobalHook, options);
-  }
+    if (NS_IsMainThread()) {
+      nsCOMPtr<nsIPrincipal> principal = nsNullPrincipal::Create();
+      options.creationOptions().setTrace(xpc::TraceXPCGlobal);
+      global = xpc::CreateGlobalObject(cx, js::Jsvalify(&SimpleGlobalClass),
+                                       nsJSPrincipals::get(principal),
+                                       options);
+    } else {
+      global = JS_NewGlobalObject(cx, js::Jsvalify(&SimpleGlobalClass),
+                                  nullptr,
+                                  JS::DontFireOnNewGlobalHook, options);
+    }
 
-  if (!global) {
-    JS_ClearPendingException(cx);
-    return nullptr;
-  }
-
-  JSAutoCompartment ac(cx, global);
-
-  // It's important to create the nsIGlobalObject for our new global before we
-  // start trying to wrap things like the prototype into its compartment,
-  // because the wrap operation relies on the global having its nsIGlobalObject
-  // already.
-  RefPtr<SimpleGlobalObject> globalObject =
-    new SimpleGlobalObject(global, globalType);
-
-  // Pass on ownership of globalObject to |global|.
-  JS_SetPrivate(global, globalObject.forget().take());
-
-  if (proto.isObjectOrNull()) {
-    JS::Rooted<JSObject*> protoObj(cx, proto.toObjectOrNull());
-    if (!JS_WrapObject(cx, &protoObj)) {
-      JS_ClearPendingException(cx);
+    if (!global) {
+      jsapi.ClearException();
       return nullptr;
     }
 
-    if (!JS_SplicePrototype(cx, global, protoObj)) {
-      JS_ClearPendingException(cx);
+    JSAutoCompartment ac(cx, global);
+
+    // It's important to create the nsIGlobalObject for our new global before we
+    // start trying to wrap things like the prototype into its compartment,
+    // because the wrap operation relies on the global having its
+    // nsIGlobalObject already.
+    RefPtr<SimpleGlobalObject> globalObject =
+      new SimpleGlobalObject(global, globalType);
+
+    // Pass on ownership of globalObject to |global|.
+    JS_SetPrivate(global, globalObject.forget().take());
+
+    if (proto.isObjectOrNull()) {
+      JS::Rooted<JSObject*> protoObj(cx, proto.toObjectOrNull());
+      if (!JS_WrapObject(cx, &protoObj)) {
+        jsapi.ClearException();
+        return nullptr;
+      }
+
+      if (!JS_SplicePrototype(cx, global, protoObj)) {
+        jsapi.ClearException();
+        return nullptr;
+      }
+    } else if (!proto.isUndefined()) {
+      // Bogus proto.
       return nullptr;
     }
-  } else if (!proto.isUndefined()) {
-    // Bogus proto.
-    return nullptr;
+
+    JS_FireOnNewGlobalObject(cx, global);
   }
 
-  JS_FireOnNewGlobalObject(cx, global);
   return global;
 }
 

dom/bindings/mozwebidlcodegen/test/DummyBinding.webidl

@@ -1 +0,0 @@
-interface DummyInterface {};

dom/bindings/mozwebidlcodegen/test/test_mozwebidlcodegen.py

@@ -105,7 +105,7 @@ class TestWebIDLCodegenManager(unittest.TestCase):
         """generate_build_files() does the right thing from empty."""
         manager = self._get_manager()
         result = manager.generate_build_files()
-        self.assertEqual(len(result.inputs), 5)
+        self.assertEqual(len(result.inputs), 4)
 
         output = manager.expected_build_output_files()
         self.assertEqual(result.created, output)

dom/bluetooth/bluedroid/hfp/BluetoothHfpManager.cpp

@@ -751,7 +751,7 @@ BluetoothHfpManager::HandleVoiceConnectionChanged(uint32_t aClientId)
   mService = service;
 
   // Signal
-  JS::Rooted<JS::Value> value(nsContentUtils::RootingCxForThread());
+  JS::Rooted<JS::Value> value(dom::GetJSRuntime());
   voiceInfo->GetRelSignalStrength(&value);
   if (value.isNumber()) {
     mSignal = (int)ceil(value.toNumber() / 20.0);

dom/bluetooth/bluez/BluetoothHfpManager.cpp

@@ -641,7 +641,7 @@ BluetoothHfpManager::HandleVoiceConnectionChanged(uint32_t aClientId)
   }
   UpdateCIND(CINDType::SERVICE, service);
 
-  JS::Rooted<JS::Value> value(nsContentUtils::RootingCxForThread());
+  JS::Rooted<JS::Value> value(dom::GetJSRuntime());
   voiceInfo->GetRelSignalStrength(&value);
   if (value.isNumber()) {
     uint8_t signal = ceil(value.toNumber() / 20.0);

dom/canvas/CanvasRenderingContext2D.cpp

@@ -5539,7 +5539,7 @@ void
 CanvasRenderingContext2D::PutImageData(ImageData& aImageData, double aDx,
                                        double aDy, ErrorResult& aError)
 {
-  RootedTypedArray<Uint8ClampedArray> arr(nsContentUtils::RootingCxForThread());
+  RootedTypedArray<Uint8ClampedArray> arr(nsContentUtils::RootingCx());
   DebugOnly<bool> inited = arr.Init(aImageData.GetDataObject());
   MOZ_ASSERT(inited);
 
@@ -5555,7 +5555,7 @@ CanvasRenderingContext2D::PutImageData(ImageData& aImageData, double aDx,
                                        double aDirtyHeight,
                                        ErrorResult& aError)
 {
-  RootedTypedArray<Uint8ClampedArray> arr(nsContentUtils::RootingCxForThread());
+  RootedTypedArray<Uint8ClampedArray> arr(nsContentUtils::RootingCx());
   DebugOnly<bool> inited = arr.Init(aImageData.GetDataObject());
   MOZ_ASSERT(inited);
 

dom/canvas/WebGLFramebuffer.cpp

@@ -974,112 +974,117 @@ WebGLFramebuffer::ValidateAndInitAttachments(const char* funcName)
 
     // Cool! We've checked out ok. Just need to initialize.
 
+    //////
     // Check if we need to initialize anything
-    {
-        bool hasUninitializedAttachments = false;
 
-        if (mColorAttachment0.HasImage() && IsDrawBuffer(0))
-            hasUninitializedAttachments |= mColorAttachment0.HasUninitializedImageData();
+    std::vector<WebGLFBAttachPoint*> tex3DToClear;
 
-        size_t i = 1;
-        for (const auto& cur : mMoreColorAttachments) {
-            if (cur.HasImage() && IsDrawBuffer(i))
-                hasUninitializedAttachments |= cur.HasUninitializedImageData();
+    const auto fnGatherIf3D = [&](WebGLFBAttachPoint& attach) {
+        if (!attach.Texture())
+            return false;
 
-            ++i;
-        }
+        const auto& info = attach.Texture()->ImageInfoAt(attach.ImageTarget(),
+                                                         attach.MipLevel());
+        if (info.mDepth == 1)
+            return false;
 
-        if (mDepthAttachment.HasImage())
-            hasUninitializedAttachments |= mDepthAttachment.HasUninitializedImageData();
-        if (mStencilAttachment.HasImage())
-            hasUninitializedAttachments |= mStencilAttachment.HasUninitializedImageData();
-        if (mDepthStencilAttachment.HasImage())
-            hasUninitializedAttachments |= mDepthStencilAttachment.HasUninitializedImageData();
+        tex3DToClear.push_back(&attach);
+        return true;
+    };
 
-        if (!hasUninitializedAttachments)
-            return true;
-    }
+    //////
 
-    // Get buffer-bit-mask and color-attachment-mask-list
     uint32_t clearBits = 0;
-    std::vector<GLenum> tempDrawBuffers(1 + mMoreColorAttachments.Size(), LOCAL_GL_NONE);
+    std::vector<GLenum> drawBuffersForClear(1 + mMoreColorAttachments.Size(),
+                                            LOCAL_GL_NONE);
+
+    std::vector<WebGLFBAttachPoint*> attachmentsToClear;
+    attachmentsToClear.reserve(1 + mMoreColorAttachments.Size() + 3);
+
+    const auto fnGatherColor = [&](WebGLFBAttachPoint& attach, uint32_t colorAttachNum) {
+        if (!IsDrawBuffer(colorAttachNum) || !attach.HasUninitializedImageData())
+            return;
+
+        if (fnGatherIf3D(attach))
+            return;
+
+        attachmentsToClear.push_back(&attach);
 
-    if (mColorAttachment0.HasUninitializedImageData() && IsDrawBuffer(0)) {
         clearBits |= LOCAL_GL_COLOR_BUFFER_BIT;
-        tempDrawBuffers[0] = LOCAL_GL_COLOR_ATTACHMENT0;
+        drawBuffersForClear[colorAttachNum] = LOCAL_GL_COLOR_ATTACHMENT0 + colorAttachNum;
+    };
+
+    const auto fnGatherOther = [&](WebGLFBAttachPoint& attach, GLenum attachClearBits) {
+        if (!attach.HasUninitializedImageData())
+            return;
+
+        if (fnGatherIf3D(attach))
+            return;
+
+        attachmentsToClear.push_back(&attach);
+
+        clearBits |= attachClearBits;
+    };
+
+    //////
+
+    fnGatherColor(mColorAttachment0, 0);
+
+    size_t colorAttachNum = 1;
+    for (auto& cur : mMoreColorAttachments) {
+        fnGatherColor(cur, colorAttachNum);
+        ++colorAttachNum;
     }
 
-    size_t i = 1;
-    for (const auto& cur : mMoreColorAttachments) {
-        if (cur.HasUninitializedImageData() && IsDrawBuffer(i)) {
-            clearBits |= LOCAL_GL_COLOR_BUFFER_BIT;
-            tempDrawBuffers[i] = LOCAL_GL_COLOR_ATTACHMENT0 + i;
-        }
+    fnGatherOther(mDepthAttachment, LOCAL_GL_DEPTH_BUFFER_BIT);
+    fnGatherOther(mStencilAttachment, LOCAL_GL_STENCIL_BUFFER_BIT);
+    fnGatherOther(mDepthStencilAttachment,
+                  LOCAL_GL_DEPTH_BUFFER_BIT | LOCAL_GL_STENCIL_BUFFER_BIT);
 
-        ++i;
-    }
-
-    if (mDepthAttachment.HasUninitializedImageData() ||
-        mDepthStencilAttachment.HasUninitializedImageData())
-    {
-        clearBits |= LOCAL_GL_DEPTH_BUFFER_BIT;
-    }
-
-    if (mStencilAttachment.HasUninitializedImageData() ||
-        mDepthStencilAttachment.HasUninitializedImageData())
-    {
-        clearBits |= LOCAL_GL_STENCIL_BUFFER_BIT;
-    }
+    //////
 
     mContext->MakeContextCurrent();
 
-    const auto fnDrawBuffers = [this](const std::vector<GLenum>& list) {
-        const GLenum* ptr = nullptr;
-        if (list.size()) {
-            ptr = &(list[0]);
+    if (clearBits) {
+        const auto fnDrawBuffers = [this](const std::vector<GLenum>& list) {
+            this->mContext->gl->fDrawBuffers(list.size(), list.data());
+        };
+
+        const auto drawBufferExt = WebGLExtensionID::WEBGL_draw_buffers;
+        const bool hasDrawBuffers = (mContext->IsWebGL2() ||
+                                     mContext->IsExtensionEnabled(drawBufferExt));
+
+        if (hasDrawBuffers) {
+            fnDrawBuffers(drawBuffersForClear);
         }
-        this->mContext->gl->fDrawBuffers(list.size(), ptr);
-    };
 
-    const auto drawBufferExt = WebGLExtensionID::WEBGL_draw_buffers;
-    const bool hasDrawBuffers = (mContext->IsWebGL2() ||
-                                 mContext->IsExtensionEnabled(drawBufferExt));
+        ////////////
 
-    if (hasDrawBuffers) {
-        fnDrawBuffers(tempDrawBuffers);
+        // Clear!
+        {
+            gl::ScopedBindFramebuffer autoBind(mContext->gl, mGLName);
+
+            mContext->ForceClearFramebufferWithDefaultValues(clearBits, false);
+        }
+
+        if (hasDrawBuffers) {
+            fnDrawBuffers(mDrawBuffers);
+        }
+
+        for (auto* cur : attachmentsToClear) {
+            cur->SetImageDataStatus(WebGLImageDataStatus::InitializedImageData);
+        }
     }
 
-    // Clear!
-    {
-        // This FB maybe bind to GL_READ_FRAMEBUFFER and glClear only
-        // clear GL_DRAW_FRAMEBUFFER. So bind FB to GL_DRAW_FRAMEBUFFER
-        // here.
-        gl::ScopedBindFramebuffer autoFB(mContext->gl, mGLName);
-        mContext->ForceClearFramebufferWithDefaultValues(clearBits, false);
-    }
+    //////
 
-    if (hasDrawBuffers) {
-        fnDrawBuffers(mDrawBuffers);
-    }
-
-    // Mark all the uninitialized images as initialized.
-    if (mDepthAttachment.HasUninitializedImageData())
-        mDepthAttachment.SetImageDataStatus(WebGLImageDataStatus::InitializedImageData);
-    if (mStencilAttachment.HasUninitializedImageData())
-        mStencilAttachment.SetImageDataStatus(WebGLImageDataStatus::InitializedImageData);
-    if (mDepthStencilAttachment.HasUninitializedImageData())
-        mDepthStencilAttachment.SetImageDataStatus(WebGLImageDataStatus::InitializedImageData);
-
-    if (mColorAttachment0.HasUninitializedImageData() && IsDrawBuffer(0)) {
-        mColorAttachment0.SetImageDataStatus(WebGLImageDataStatus::InitializedImageData);
-    }
-
-    i = 1;
-    for (auto& cur : mMoreColorAttachments) {
-        if (cur.HasUninitializedImageData() && IsDrawBuffer(i))
-            cur.SetImageDataStatus(WebGLImageDataStatus::InitializedImageData);
-
-        ++i;
+    for (auto* attach : tex3DToClear) {
+        auto* tex = attach->Texture();
+        if (!tex->InitializeImageData(funcName, attach->ImageTarget(),
+                                      attach->MipLevel()))
+        {
+            return false;
+        }
     }
 
     return true;

dom/canvas/WebGLTextureUpload.cpp

@@ -370,7 +370,7 @@ WebGLTexture::TexOrSubImage(bool isSubImage, const char* funcName, TexImageTarge
     }
 
     dom::RootedTypedArray<dom::Uint8ClampedArray> scopedArr(
-      nsContentUtils::RootingCxForThread());
+      nsContentUtils::RootingCx());
     const RefPtr<gfx::SourceSurface> surf = FromImageData(mContext, funcName, unpackType,
                                                           imageData, &scopedArr);
     if (!surf)

dom/devicestorage/nsDeviceStorage.cpp

@@ -3975,8 +3975,7 @@ DeviceStorageRequestManager::Resolve(uint32_t aId, uint64_t aValue,
     return NS_OK;
   }
 
-  JS::RootedValue value(nsContentUtils::RootingCxForThread(),
-                        JS_NumberValue((double)aValue));
+  JS::RootedValue value(GetJSRuntime(), JS_NumberValue((double)aValue));
   return ResolveInternal(i, value);
 }
 

dom/events/DOMEventTargetHelper.h

@@ -292,9 +292,6 @@ NS_DEFINE_STATIC_IID_ACCESSOR(DOMEventTargetHelper,
   } \
   virtual nsIScriptContext * GetContextForEventHandlers(nsresult *aRv) { \
     return _to GetContextForEventHandlers(aRv); \
-  } \
-  virtual JSContext * GetJSContextForEventHandlers(void) { \
-    return _to GetJSContextForEventHandlers(); \
   }
 
 #define NS_REALLY_FORWARD_NSIDOMEVENTTARGET(_class) \

dom/events/JSEventHandler.cpp

@@ -154,7 +154,7 @@ JSEventHandler::HandleEvent(nsIDOMEvent* aEvent)
       columnNumber.Construct();
       columnNumber.Value() = scriptEvent->Colno();
 
-      error.Construct(nsContentUtils::RootingCxForThread());
+      error.Construct(GetJSRuntime());
       scriptEvent->GetError(&error.Value());
     } else {
       msgOrEvent.SetAsEvent() = aEvent->InternalDOMEvent();

dom/filesystem/tests/mochitest.ini

@@ -7,3 +7,4 @@ support-files =
 [test_basic.html]
 [test_webkitdirectory.html]
 [test_worker_basic.html]
+skip-if = true # bug 1283344

dom/geolocation/moz.build

@@ -26,12 +26,6 @@ LOCAL_INCLUDES += [
     '/dom/ipc',
 ]
 
-if CONFIG['MOZ_ENABLE_QT5GEOPOSITION']:
-    LOCAL_INCLUDES += [
-        '/dom/system/qt',
-    ]
-    CXXFLAGS += CONFIG['MOZ_QT_CFLAGS']
-
 if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'android':
     LOCAL_INCLUDES += [
         '/dom/system/android',

dom/geolocation/nsGeolocation.cpp

@@ -35,10 +35,6 @@
 
 class nsIPrincipal;
 
-#ifdef MOZ_ENABLE_QT5GEOPOSITION
-#include "QTMLocationProvider.h"
-#endif
-
 #ifdef MOZ_WIDGET_ANDROID
 #include "AndroidLocationProvider.h"
 #endif
@@ -698,10 +694,6 @@ nsresult nsGeolocationService::Init()
 
   obs->AddObserver(this, "xpcom-shutdown", false);
 
-#ifdef MOZ_ENABLE_QT5GEOPOSITION
-  mProvider = new QTMLocationProvider();
-#endif
-
 #ifdef MOZ_WIDGET_ANDROID
   mProvider = new AndroidLocationProvider();
 #endif

dom/icc/Icc.cpp

@@ -94,7 +94,7 @@ Icc::NotifyEvent(const nsAString& aName)
 nsresult
 Icc::NotifyStkEvent(const nsAString& aName, nsIStkProactiveCmd* aStkProactiveCmd)
 {
-  JSContext* cx = nsContentUtils::RootingCxForThread();
+  JSContext* cx = nsContentUtils::RootingCx();
   JS::Rooted<JS::Value> value(cx);
 
   nsCOMPtr<nsIStkCmdFactory> cmdFactory =

dom/indexedDB/IndexedDatabaseManager.cpp

@@ -485,7 +485,7 @@ IndexedDatabaseManager::CommonPostHandleEvent(EventChainPostVisitor& aVisitor,
     error->GetName(errorName);
   }
 
-  RootedDictionary<ErrorEventInit> init(nsContentUtils::RootingCxForThread());
+  RootedDictionary<ErrorEventInit> init(nsContentUtils::RootingCx());
   request->GetCallerLocation(init.mFilename, &init.mLineno, &init.mColno);
 
   init.mMessage = errorName;

dom/interfaces/events/nsIDOMEventTarget.idl

@@ -274,12 +274,6 @@ interface nsIDOMEventTarget : nsISupports
    */
   [notxpcom, nostdcall]
   nsIScriptContext GetContextForEventHandlers(out nsresult aRv);
-
-  /**
-   * If the method above returns null, but a success code, this method
-   * is called.
-   */
-  [notxpcom, nostdcall] JSContextPtr GetJSContextForEventHandlers();
 };
 
 %{C++
@@ -287,8 +281,7 @@ interface nsIDOMEventTarget : nsISupports
 #define NS_IMPL_DOMTARGET_DEFAULTS(_class) \
 mozilla::dom::EventTarget* _class::GetTargetForDOMEvent() { return this; } \
 mozilla::dom::EventTarget* _class::GetTargetForEventTargetChain() { return this; } \
-nsresult _class::WillHandleEvent(mozilla::EventChainPostVisitor& aVisitor) { return NS_OK; } \
-JSContext* _class::GetJSContextForEventHandlers() { return nullptr; }
+nsresult _class::WillHandleEvent(mozilla::EventChainPostVisitor& aVisitor) { return NS_OK; }
 
 #define NS_IMPL_REMOVE_SYSTEM_EVENT_LISTENER(aClass) \
 NS_IMETHODIMP \

dom/ipc/TabChild.cpp

@@ -3339,12 +3339,6 @@ TabChildGlobal::GetDocShell(nsIDocShell** aDocShell)
   return NS_OK;
 }
 
-JSContext*
-TabChildGlobal::GetJSContextForEventHandlers()
-{
-  return nsContentUtils::GetSafeJSContext();
-}
-
 nsIPrincipal*
 TabChildGlobal::GetPrincipal()
 {

dom/ipc/TabChild.h

@@ -138,7 +138,6 @@ public:
     return NS_OK;
   }
 
-  virtual JSContext* GetJSContextForEventHandlers() override;
   virtual nsIPrincipal* GetPrincipal() override;
   virtual JSObject* GetGlobalJSObject() override;
 

dom/notification/Notification.cpp

@@ -1073,7 +1073,7 @@ Notification::ConstructFromFields(
 {
   MOZ_ASSERT(aGlobal);
 
-  RootedDictionary<NotificationOptions> options(nsContentUtils::RootingCxForThread());
+  RootedDictionary<NotificationOptions> options(nsContentUtils::RootingCx());
   options.mDir = Notification::StringToDirection(nsString(aDir));
   options.mLang = aLang;
   options.mBody = aBody;

dom/plugins/ipc/NestedLoopTimer.cpp

@@ -1,48 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
- * vim: sw=4 ts=4 et :
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include <QtCore/QTimer>
-
-#include "NestedLoopTimer.h"
-#include "mozilla/plugins/PluginModuleChild.h"
-
-namespace mozilla {
-namespace plugins {
-
-NestedLoopTimer::NestedLoopTimer(PluginModuleChild *pmc):
-     QObject(), mModule(pmc), mQTimer(nullptr)
-{
-}
-
-NestedLoopTimer::~NestedLoopTimer()
-{
-    if (mQTimer) {
-        mQTimer->stop();
-        delete mQTimer;
-        mQTimer = nullptr;
-    }
-}
-
-void NestedLoopTimer::timeOut()
-{
-    // just detected a nested loop; start a timer that will
-    // periodically rpc-call back into the browser and process some
-    // events
-    mQTimer = new QTimer(this);
-    QObject::connect(mQTimer, SIGNAL(timeout()), this,
-                     SLOT(processSomeEvents()));
-    mQTimer->setInterval(kNestedLoopDetectorIntervalMs);
-    mQTimer->start();
-}
-
-void NestedLoopTimer::processSomeEvents()
-{
-    if (mModule)
-        mModule->CallProcessSomeEvents();
-}
-
-} /* namespace plugins */
-} /* namespace mozilla */

dom/plugins/ipc/NestedLoopTimer.h

@@ -1,41 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
- * vim: sw=4 ts=4 et :
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef NESTEDLOOPTIMER_H
-#define NESTEDLOOPTIMER_H
-
-#include <QtCore/QObject>
-
-class QTimer;
-
-namespace mozilla {
-namespace plugins {
-
-class PluginModuleChild;
-
-class NestedLoopTimer: public QObject
-{
-    Q_OBJECT
-public:
-    NestedLoopTimer(PluginModuleChild *pmc);
-
-    virtual ~NestedLoopTimer();
-
-public Q_SLOTS:
-    virtual void timeOut();
-    virtual void processSomeEvents();
-   
-private:
-    PluginModuleChild *mModule;
-    QTimer *mQTimer;
-};
-
-} /* namespace plugins */
-} /* namespace mozilla */
-
-#undef slots
-
-#endif

dom/plugins/ipc/PluginHelperQt.cpp

@@ -1,18 +0,0 @@
-/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "PluginHelperQt.h"
-#include <QtCore/QCoreApplication>
-#include <QtCore/QEventLoop>
-
-static const int kMaxtimeToProcessEvents = 30;
-
-bool
-PluginHelperQt::AnswerProcessSomeEvents()
-{
-    QCoreApplication::processEvents(QEventLoop::AllEvents, kMaxtimeToProcessEvents);
-    return true;
-}

dom/plugins/ipc/moz.build

@@ -67,13 +67,6 @@ if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'cocoa':
         'PluginInterposeOSX.h',
     ]
 
-if CONFIG['MOZ_ENABLE_QT']:
-    SOURCES += [
-        '!moc_NestedLoopTimer.cpp',
-        'NestedLoopTimer.cpp',
-        'PluginHelperQt.cpp',
-    ]
-
 UNIFIED_SOURCES += [
     'BrowserStreamChild.cpp',
     'BrowserStreamParent.cpp',

dom/plugins/test/testplugin/nptest_qt.cpp

@@ -1,103 +0,0 @@
-/* ***** BEGIN LICENSE BLOCK *****
- * 
- * Copyright (c) 2008, Mozilla Corporation
- * All rights reserved.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * 
- * * Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice,
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- * * Neither the name of the Mozilla Corporation nor the names of its
- *   contributors may be used to endorse or promote products derived from this
- *   software without specific prior written permission.
- * 
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
- * Contributor(s):
- *   Josh Aas <josh@mozilla.com>
- * 
- * ***** END LICENSE BLOCK ***** */
-#include "nptest_platform.h"
-#include "npapi.h"
-
-using namespace std;
-
-bool
-pluginSupportsWindowMode()
-{
-  return false;
-}
-
-bool
-pluginSupportsWindowlessMode()
-{
-  return true;
-}
-
-NPError
-pluginInstanceInit(InstanceData* instanceData)
-{
-  printf("NPERR_INCOMPATIBLE_VERSION_ERROR\n");
-  return NPERR_INCOMPATIBLE_VERSION_ERROR;
-}
-
-void
-pluginInstanceShutdown(InstanceData* instanceData)
-{
-  NPN_MemFree(instanceData->platformData);
-  instanceData->platformData = 0;
-}
-
-void
-pluginDoSetWindow(InstanceData* instanceData, NPWindow* newWindow)
-{
-  instanceData->window = *newWindow;
-}
-
-void
-pluginWidgetInit(InstanceData* instanceData, void* oldWindow)
-{
-  // XXX nothing here yet since we don't support windowed plugins
-}
-
-int16_t
-pluginHandleEvent(InstanceData* instanceData, void* event)
-{
-  return 0;
-}
-
-int32_t pluginGetEdge(InstanceData* instanceData, RectEdge edge)
-{
-  // XXX nothing here yet since we don't support windowed plugins
-  return NPTEST_INT32_ERROR;
-}
-
-int32_t pluginGetClipRegionRectCount(InstanceData* instanceData)
-{
-  // XXX nothing here yet since we don't support windowed plugins
-  return NPTEST_INT32_ERROR;
-}
-
-int32_t pluginGetClipRegionRectEdge(InstanceData* instanceData, 
-    int32_t rectIndex, RectEdge edge)
-{
-  // XXX nothing here yet since we don't support windowed plugins
-  return NPTEST_INT32_ERROR;
-}
-
-void pluginDoInternalConsistencyCheck(InstanceData* instanceData, string& error)
-{
-}

dom/plugins/test/testplugin/testplugin.mozbuild

@@ -26,10 +26,6 @@ elif toolkit == 'android':
     UNIFIED_SOURCES += [
         'nptest_droid.cpp',
     ]
-elif toolkit == 'qt':
-    UNIFIED_SOURCES += [
-        'nptest_qt.cpp',
-    ]
 elif toolkit == 'windows':
     UNIFIED_SOURCES += [
         'nptest_windows.cpp',
@@ -61,13 +57,6 @@ if CONFIG['MOZ_WIDGET_TOOLKIT'] in ('gtk2', 'gtk3'):
     OS_LIBS += CONFIG['XLIBS']
     OS_LIBS += CONFIG['XEXT_LIBS']
 
-if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'qt':
-    CXXFLAGS += CONFIG['MOZ_QT_CFLAGS']
-    CFLAGS += CONFIG['MOZ_QT_CFLAGS']
-    OS_LIBS += CONFIG['MOZ_QT_LIBS']
-    OS_LIBS += CONFIG['XLDFLAGS']
-    OS_LIBS += CONFIG['XLIBS']
-
 if CONFIG['_MSC_VER']:
     # This is intended as a temporary hack to support building with VS2015.
     # conversion from 'X' to 'Y' requires a narrowing conversion

dom/promise/Promise.h

@@ -430,11 +430,8 @@ private:
   void MaybeSomething(T& aArgument, MaybeFunc aFunc) {
     MOZ_ASSERT(PromiseObj()); // It was preserved!
 
-    AutoJSAPI jsapi;
-    if (!jsapi.Init(mGlobal)) {
-      return;
-    }
-    JSContext* cx = jsapi.cx();
+    AutoEntryScript aes(mGlobal, "Promise resolution or rejection");
+    JSContext* cx = aes.cx();
 
     JS::Rooted<JS::Value> val(cx);
     if (!ToJSValue(cx, aArgument, &val)) {

dom/security/SRICheck.cpp

@@ -324,6 +324,15 @@ SRICheckDataVerifier::VerifyHash(const SRIMetadata& aMetadata,
     return NS_ERROR_SRI_CORRUPT;
   }
 
+  if (MOZ_LOG_TEST(SRILogHelper::GetSriLog(), mozilla::LogLevel::Debug)) {
+    nsAutoCString encodedHash;
+    nsresult rv = Base64Encode(mComputedHash, encodedHash);
+    if (NS_SUCCEEDED(rv)) {
+      SRILOG(("SRICheckDataVerifier::VerifyHash, mComputedHash=%s",
+              encodedHash.get()));
+    }
+  }
+
   if (!binaryHash.Equals(mComputedHash)) {
     SRILOG(("SRICheckDataVerifier::VerifyHash, hash[%u] did not match", aHashIndex));
     return NS_ERROR_SRI_CORRUPT;

dom/security/test/sri/iframe_style_sameorigin.html

@@ -61,6 +61,25 @@
     function bad_invalidBlobLoaded() {
       ok(false, "We should not load stylesheets using blob: URLs when they have the wrong hash!");
     }
+
+    function good_correctUTF8HashLoaded() {
+      ok(true, "A UTF8 stylesheet was correctly loaded when integrity matched");
+    }
+    function bad_correctUTF8HashBlocked() {
+      ok(false, "We should load UTF8 stylesheets with hashes that match!");
+    }
+    function good_correctUTF8BOMHashLoaded() {
+      ok(true, "A UTF8 stylesheet (with BOM) was correctly loaded when integrity matched");
+    }
+    function bad_correctUTF8BOMHashBlocked() {
+      todo(false, "We should load UTF8 (with BOM) stylesheets with hashes that match!");
+    }
+    function good_correctUTF8ishHashLoaded() {
+      ok(true, "A UTF8ish stylesheet was correctly loaded when integrity matched");
+    }
+    function bad_correctUTF8ishHashBlocked() {
+      todo(false, "We should load UTF8ish stylesheets with hashes that match!");
+    }
   </script>
 
   <!-- valid sha256 hash. should trigger onload -->
@@ -80,6 +99,24 @@
         integrity="sha256-bogus"
         onerror="good_incorrectHashBlocked()"
         onload="bad_incorrectHashLoaded()">
+
+  <!-- valid sha384 hash of a utf8 file. should trigger onload -->
+  <link rel="stylesheet" href="style4.css"
+        integrity="sha384-13rt+j7xMDLhohLukb7AZx8lDGS3hkahp0IoeuyvxSNVPyc1QQmTDcwXGhQZjoMH"
+        onerror="bad_correctUTF8HashBlocked()"
+        onload="good_correctUTF8HashLoaded()">
+
+  <!-- valid sha384 hash of a utf8 file with a BOM. should trigger onload -->
+  <link rel="stylesheet" href="style5.css"
+        integrity="sha384-udAqVKPIHf/OD1isAYKrgzsog/3Q6lSEL2nKhtLSTmHryiae0+y6x1akeTzEF446"
+        onerror="bad_correctUTF8BOMHashBlocked()"
+        onload="good_correctUTF8BOMHashLoaded()">
+
+  <!-- valid sha384 hash of a utf8 file with the wrong charset. should trigger onload -->
+  <link rel="stylesheet" href="style6.css"
+        integrity="sha384-Xli4ROFoVGCiRgXyl7y8jv5Vm2yuqj+8tkNL3cUI7AHaCocna75JLs5xID437W6C"
+        onerror="bad_correctUTF8ishHashBlocked()"
+        onload="good_correctUTF8ishHashLoaded()">
 </head>
 <body>
 
@@ -109,7 +146,10 @@
    document.body.appendChild(link);
 </script>
 
-<p><span id="red-text">This should be red </span> and
+<p><span id="red-text">This should be red </span>,
+  <span id="purple-text">this should be purple</span>,
+  <span id="brown-text">this should be brown</span>,
+  <span id="orange-text">this should be orange</span>, and
   <span class="blue-text" id="blue-text-element">this should be blue.</span>
   However, <span id="black-text">this should stay black</span> and
   <span class="black-text" id="black-text-2">this should also stay black.</span>

dom/security/test/sri/mochitest.ini

@@ -28,6 +28,11 @@ support-files =
   style1.css^headers^
   style2.css
   style3.css
+  style4.css
+  style4.css^headers^
+  style5.css
+  style6.css
+  style6.css^headers^
   style_301.css
   style_301.css^headers^
 

dom/security/test/sri/style4.css

@@ -0,0 +1,4 @@
+/* François was here. */
+#purple-text {
+  color: purple;
+}

dom/security/test/sri/style4.css^headers^

@@ -0,0 +1 @@
+Content-Type: text/css; charset=utf-8

dom/security/test/sri/style5.css

@@ -0,0 +1,4 @@
+/* François was here. */
+#orange-text {
+  color: orange;
+}

dom/security/test/sri/style6.css

@@ -0,0 +1,4 @@
+/* François was here. */
+#brown-text {
+  color: brown;
+}

dom/security/test/sri/style6.css^headers^

@@ -0,0 +1 @@
+Content-Type: text/css; charset=iso-8859-8

dom/system/gonk/AudioManager.cpp

@@ -596,7 +596,7 @@ AudioManager::Observe(nsISupports* aSubject,
   // To process the volume control on each volume categories according to
   // change of settings
   else if (!strcmp(aTopic, MOZ_SETTINGS_CHANGE_ID)) {
-    RootedDictionary<dom::SettingChangeNotification> setting(nsContentUtils::RootingCxForThread());
+    RootedDictionary<dom::SettingChangeNotification> setting(nsContentUtils::RootingCx());
     if (!WrappedJSToDictionary(aSubject, setting)) {
       return NS_OK;
     }

dom/system/gonk/AutoMounterSetting.cpp

@@ -247,7 +247,7 @@ AutoMounterSetting::Observe(nsISupports* aSubject,
   // The string that we're interested in will be a JSON string that looks like:
   //  {"key":"ums.autoMount","value":true}
 
-  RootedDictionary<SettingChangeNotification> setting(nsContentUtils::RootingCxForThread());
+  RootedDictionary<SettingChangeNotification> setting(nsContentUtils::RootingCx());
   if (!WrappedJSToDictionary(aSubject, setting)) {
     return NS_OK;
   }

dom/system/qt/QTMLocationProvider.cpp

@@ -1,101 +0,0 @@
-/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "QTMLocationProvider.h"
-#include "nsGeoPosition.h"
-
-using namespace mozilla;
-
-NS_IMPL_ISUPPORTS(QTMLocationProvider, nsIGeolocationProvider)
-
-QTMLocationProvider::QTMLocationProvider()
-{
-    if (QMetaType::type("QGeoPositionInfo") == QMetaType::UnknownType) {
-        qRegisterMetaType<QGeoPositionInfo>("QGeoPositionInfo");
-    }
-    mLocation = QGeoPositionInfoSource::createDefaultSource(this);
-    if (mLocation)
-        connect(mLocation, SIGNAL(positionUpdated(QGeoPositionInfo)), this, SLOT(positionUpdated(QGeoPositionInfo)));
-}
-
-QTMLocationProvider::~QTMLocationProvider()
-{
-    delete mLocation;
-}
-
-void
-QTMLocationProvider::positionUpdated(const QGeoPositionInfo &geoPosition)
-{
-    if (!geoPosition.isValid()) {
-        NS_WARNING("Invalida geoposition received");
-        return;
-    }
-
-    QGeoCoordinate coord = geoPosition.coordinate();
-    double latitude = coord.latitude();
-    double longitude = coord.longitude();
-    double altitude = coord.altitude();
-    double accuracy = geoPosition.attribute(QGeoPositionInfo::HorizontalAccuracy);
-    double altitudeAccuracy = geoPosition.attribute(QGeoPositionInfo::VerticalAccuracy);
-    double heading = geoPosition.attribute(QGeoPositionInfo::Direction);
-
-    bool providesSpeed = geoPosition.hasAttribute(QGeoPositionInfo::GroundSpeed);
-    double speed = geoPosition.attribute(QGeoPositionInfo::GroundSpeed);
-
-    RefPtr<nsGeoPosition> p =
-        new nsGeoPosition(latitude, longitude,
-                          altitude, accuracy,
-                          altitudeAccuracy, heading,
-                          speed, geoPosition.timestamp().toTime_t());
-    if (mCallback) {
-        mCallback->Update(p);
-    }
-}
-
-NS_IMETHODIMP
-QTMLocationProvider::Startup()
-{
-    if (!mLocation)
-        return NS_ERROR_NOT_IMPLEMENTED;
-
-    // Not all versions of qt5positioning set default prefered method
-    // thus this workaround initializing QGeoPositionSource explicitly
-    SetHighAccuracy(false);
-    mLocation->startUpdates();
-
-    return NS_OK;
-}
-
-NS_IMETHODIMP
-QTMLocationProvider::Watch(nsIGeolocationUpdate* aCallback)
-{
-    mCallback = aCallback;
-
-    return NS_OK;
-}
-
-NS_IMETHODIMP
-QTMLocationProvider::Shutdown()
-{
-    if (!mLocation)
-        return NS_ERROR_NOT_IMPLEMENTED;
-
-    mLocation->stopUpdates();
-    mCallback = nullptr;
-
-    return NS_OK;
-}
-
-NS_IMETHODIMP
-QTMLocationProvider::SetHighAccuracy(bool aHigh)
-{
-    if (!mLocation)
-        return NS_ERROR_NOT_IMPLEMENTED;
-
-    mLocation->setPreferredPositioningMethods(aHigh ?
-                                              QGeoPositionInfoSource::SatellitePositioningMethods :
-                                              QGeoPositionInfoSource::AllPositioningMethods);
-    return NS_OK;
-}

dom/system/qt/QTMLocationProvider.h

@@ -1,35 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef QTMLocationProvider_h
-#define QTMLocationProvider_h
-
-#include <QGeoPositionInfoSource>
-#include "nsGeolocation.h"
-#include "nsIGeolocationProvider.h"
-#include "nsCOMPtr.h"
-
-class QTMLocationProvider : public QObject,
-                            public nsIGeolocationProvider
-{
-    Q_OBJECT
-
-public:
-    NS_DECL_ISUPPORTS
-    NS_DECL_NSIGEOLOCATIONPROVIDER
-
-    QTMLocationProvider();
-
-public Q_SLOTS:
-    // QGeoPositionInfoSource
-    void positionUpdated(const QGeoPositionInfo&);
-
-private:
-    ~QTMLocationProvider();
-
-    QGeoPositionInfoSource* mLocation;
-    nsCOMPtr<nsIGeolocationUpdate> mCallback;
-};
-
-#endif /* QTMLocationProvider_h */

dom/system/qt/QtHapticFeedback.cpp

@@ -1,20 +0,0 @@
-/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include <QFeedbackEffect>
-#include "QtHapticFeedback.h"
-
-NS_IMPL_ISUPPORTS(QtHapticFeedback, nsIHapticFeedback)
-
-NS_IMETHODIMP
-QtHapticFeedback::PerformSimpleAction(int32_t aType)
-{
-    if (aType == ShortPress)
-        QFeedbackEffect::playThemeEffect(QFeedbackEffect::PressWeak);
-    if (aType == LongPress)
-        QFeedbackEffect::playThemeEffect(QFeedbackEffect::PressStrong);
-
-    return NS_OK;
-}

dom/system/qt/QtHapticFeedback.h

@@ -1,15 +0,0 @@
-/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "nsIHapticFeedback.h"
-
-class QtHapticFeedback : public nsIHapticFeedback
-{
-public:
-  NS_DECL_ISUPPORTS
-  NS_DECL_NSIHAPTICFEEDBACK
-protected:
-  virtual ~QtHapticFeedback() {}
-};

dom/system/qt/moz.build

@@ -1,26 +0,0 @@
-# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
-# vim: set filetype=python:
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-if CONFIG['MOZ_ENABLE_QT5GEOPOSITION']:
-    SOURCES += [
-        '!moc_QTMLocationProvider.cpp',
-        'QTMLocationProvider.cpp',
-    ]
-
-    CXXFLAGS += CONFIG['MOZ_QT_CFLAGS']
-
-    LOCAL_INCLUDES += [
-        '/dom/geolocation',
-    ]
-
-if CONFIG['MOZ_ENABLE_QT5FEEDBACK']:
-    SOURCES += [
-        'QtHapticFeedback.cpp',
-    ]
-
-include('/ipc/chromium/chromium-config.mozbuild')
-
-FINAL_LIBRARY = 'xul'

dom/webidl/CameraControl.webidl

@@ -489,8 +489,6 @@ dictionary CameraDetectedFaceInit
   DOMPointInit mouth;
 };
 
-callback CameraFaceDetectionCallback = void (sequence<CameraDetectedFace> faces);
-
 partial interface CameraControl
 {
   /* Starts the face detection. This should be called after the preview is

dom/webidl/DummyBinding.webidl

@@ -1,13 +0,0 @@
-/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/.
- */
-
-// Dummy bindings that we need to force generation of things that
-// aren't actually referenced anywhere in IDL yet but are used in C++.
-
-interface DummyInterface {
-  void lifecycleCallbacks(optional LifecycleCallbacks arg);
-  void promiseJobCallback(PromiseJobCallback arg);
-};

dom/webidl/OfflineAudioContext.webidl

@@ -10,8 +10,6 @@
  * liability, trademark and document use rules apply.
  */
 
-callback OfflineRenderSuccessCallback = void (AudioBuffer renderedData);
-
 [Constructor(unsigned long numberOfChannels, unsigned long length, float sampleRate)]
 interface OfflineAudioContext : AudioContext {
 

dom/webidl/XMLHttpRequestEventTarget.webidl

@@ -13,24 +13,17 @@
 [Exposed=(Window,DedicatedWorker,SharedWorker)]
 interface XMLHttpRequestEventTarget : EventTarget {
   // event handlers
-  [SetterThrows=Workers, GetterThrows=Workers]
   attribute EventHandler onloadstart;
 
-  [SetterThrows=Workers, GetterThrows=Workers]
   attribute EventHandler onprogress;
 
-  [SetterThrows=Workers, GetterThrows=Workers]
   attribute EventHandler onabort;
 
-  [SetterThrows=Workers, GetterThrows=Workers]
   attribute EventHandler onerror;
 
-  [SetterThrows=Workers, GetterThrows=Workers]
   attribute EventHandler onload;
 
-  [SetterThrows=Workers, GetterThrows=Workers]
   attribute EventHandler ontimeout;
 
-  [SetterThrows=Workers, GetterThrows=Workers]
   attribute EventHandler onloadend;
 };

dom/webidl/moz.build

@@ -144,7 +144,6 @@ WEBIDL_FILES = [
     'DOMTransaction.webidl',
     'Downloads.webidl',
     'DragEvent.webidl',
-    'DummyBinding.webidl',
     'DynamicsCompressorNode.webidl',
     'Element.webidl',
     'Event.webidl',

dom/workers/WorkerPrivate.cpp

@@ -6184,7 +6184,7 @@ WorkerPrivate::RunExpiredTimeouts(JSContext* aCx)
 
     { // scope for the AutoEntryScript, so it comes off the stack before we do
       // Promise::PerformMicroTaskCheckpoint.
-      AutoEntryScript aes(global, reason, false, aCx);
+      AutoEntryScript aes(global, reason, false);
       if (!info->mTimeoutCallable.isUndefined()) {
         JS::Rooted<JS::Value> rval(aCx);
         JS::HandleValueArray args =

dom/workers/WorkerRunnable.cpp

@@ -318,9 +318,7 @@ WorkerRunnable::Run()
   JSContext* cx;
   AutoJSAPI* jsapi;
   if (globalObject) {
-    aes.emplace(globalObject, "Worker runnable",
-                isMainThread,
-                isMainThread ? nullptr : GetCurrentThreadJSContext());
+    aes.emplace(globalObject, "Worker runnable", isMainThread);
     jsapi = aes.ptr();
     cx = aes->cx();
   } else {

dom/xhr/XMLHttpRequestWorker.cpp

@@ -507,7 +507,7 @@ public:
     mReadyState(0), mUploadEvent(aUploadEvent), mProgressEvent(true),
     mLengthComputable(aLengthComputable), mUseCachedArrayBufferResponse(false),
     mResponseTextResult(NS_OK), mStatusResult(NS_OK), mResponseResult(NS_OK),
-    mScopeObj(nsContentUtils::RootingCxForThread(), aScopeObj)
+    mScopeObj(GetJSRuntime(), aScopeObj)
   { }
 
   EventRunnable(Proxy* aProxy, bool aUploadEvent, const nsString& aType,
@@ -520,7 +520,7 @@ public:
     mUploadEvent(aUploadEvent), mProgressEvent(false), mLengthComputable(0),
     mUseCachedArrayBufferResponse(false), mResponseTextResult(NS_OK),
     mStatusResult(NS_OK), mResponseResult(NS_OK),
-    mScopeObj(nsContentUtils::RootingCxForThread(), aScopeObj)
+    mScopeObj(GetJSRuntime(), aScopeObj)
   { }
 
 private:

dom/xslt/xpath/txXPCOMExtensionFunction.cpp

@@ -18,7 +18,7 @@
 #include "txXPathObjectAdaptor.h"
 #include "mozilla/Attributes.h"
 #include "mozilla/UniquePtr.h"
-#include "nsContentUtils.h"
+#include "mozilla/dom/ScriptSettings.h"
 #include "nsIClassInfo.h"
 #include "nsIInterfaceInfo.h"
 #include "js/RootingAPI.h"
@@ -384,7 +384,7 @@ txXPCOMExtensionFunctionCall::evaluate(txIEvalContext* aContext,
     uint8_t paramCount = methodInfo->GetParamCount();
     uint8_t inArgs = paramCount - 1;
 
-    JS::Rooted<txParamArrayHolder> invokeParams(nsContentUtils::RootingCxForThread());
+    JS::Rooted<txParamArrayHolder> invokeParams(mozilla::dom::GetJSRuntime());
     if (!invokeParams.get().Init(paramCount)) {
         return NS_ERROR_OUT_OF_MEMORY;
     }

embedding/components/windowwatcher/nsWindowWatcher.cpp

@@ -476,6 +476,12 @@ CheckUserContextCompatibility(nsIDocShell* aDocShell)
     return false;
   }
 
+  // DocShell can have UsercontextID set but loading a document with system
+  // principal. In this case, we consider everything ok.
+  if (nsContentUtils::IsSystemPrincipal(subjectPrincipal)) {
+    return true;
+  }
+
   uint32_t principalUserContextId;
   nsresult rv = subjectPrincipal->GetUserContextId(&principalUserContextId);
   NS_ENSURE_SUCCESS(rv, false);

gfx/cairo/cairo/src/moz.build

@@ -81,13 +81,6 @@ elif 'gtk' in CONFIG['MOZ_WIDGET_TOOLKIT']:
     SOURCES += [
         'cairo-ps-surface.c',
     ]
-elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'qt':
-    EXPORTS.cairo += [
-        'cairo-qt.h',
-    ]
-    SOURCES += [
-        'cairo-qt-surface.cpp',
-    ]
 
 if CONFIG['MOZ_X11']:
     EXPORTS.cairo += [
@@ -249,10 +242,6 @@ if CONFIG['GNU_CC'] and CONFIG['OS_TARGET'] == 'Android' and CONFIG['MOZ_OPTIMIZ
     CFLAGS += ['-O2']
     CXXFLAGS += ['-O2']
 
-if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'qt':
-    CFLAGS += CONFIG['MOZ_QT_CFLAGS']
-    CXXFLAGS += CONFIG['MOZ_QT_CFLAGS']
-
 if CONFIG['MOZ_X11']:
     CFLAGS += CONFIG['XCFLAGS']
 

gfx/src/moz.build

@@ -91,6 +91,3 @@ CXXFLAGS += CONFIG['TK_CFLAGS']
 
 if 'gtk' in CONFIG['MOZ_WIDGET_TOOLKIT']:
     CXXFLAGS += CONFIG['MOZ_PANGO_CFLAGS']
-
-if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'qt':
-    CXXFLAGS += CONFIG['MOZ_QT_CFLAGS']

image/Decoder.cpp

@@ -70,6 +70,9 @@ Decoder::Init()
   // No re-initializing
   MOZ_ASSERT(!mInitialized, "Can't re-initialize a decoder!");
 
+  // All decoders must have a SourceBufferIterator.
+  MOZ_ASSERT(mIterator);
+
   // It doesn't make sense to decode anything but the first frame if we can't
   // store anything in the SurfaceCache, since only the last frame we decode
   // will be retrievable.
@@ -240,6 +243,12 @@ Decoder::SetTargetSize(const nsIntSize& aSize)
   return NS_OK;
 }
 
+Maybe<IntSize>
+Decoder::GetTargetSize()
+{
+  return mDownscaler ? Some(mDownscaler->TargetSize()) : Nothing();
+}
+
 nsresult
 Decoder::AllocateFrame(uint32_t aFrameNum,
                        const nsIntSize& aTargetSize,

image/Decoder.h

@@ -114,7 +114,14 @@ public:
    *
    * This must be called before Init() is called.
    */
-  nsresult SetTargetSize(const nsIntSize& aSize);
+  nsresult SetTargetSize(const gfx::IntSize& aSize);
+
+  /**
+   * If this decoder supports downscale-during-decode and is configured to
+   * downscale, returns the target size that the output size will be decoded to.
+   * Otherwise, returns Nothing().
+   */
+  Maybe<gfx::IntSize> GetTargetSize();
 
   /**
    * Set the requested sample size for this decoder. Used to implement the
@@ -126,12 +133,10 @@ public:
 
   /**
    * Set an iterator to the SourceBuffer which will feed data to this decoder.
+   * This must always be called before calling Init(). (And only before Init().)
    *
-   * This should be called for almost all decoders; the exceptions are the
-   * contained decoders of an nsICODecoder, which will be fed manually via Write
-   * instead.
-   *
-   * This must be called before Init() is called.
+   * XXX(seth): We should eliminate this method and pass a SourceBufferIterator
+   * to the various decoder constructors instead.
    */
   void SetIterator(SourceBufferIterator&& aIterator)
   {
@@ -247,27 +252,24 @@ public:
   ImageMetadata& GetImageMetadata() { return mImageMetadata; }
 
   /**
-   * Returns a weak pointer to the image associated with this decoder.
+   * @return a weak pointer to the image associated with this decoder. Illegal
+   * to call if this decoder is not associated with an image.
    */
   RasterImage* GetImage() const { MOZ_ASSERT(mImage); return mImage.get(); }
 
+  /**
+   * @return a possibly-null weak pointer to the image associated with this
+   * decoder. May be called even if this decoder is not associated with an
+   * image.
+   */
+  RasterImage* GetImageMaybeNull() const { return mImage.get(); }
+
   RawAccessFrameRef GetCurrentFrameRef()
   {
     return mCurrentFrame ? mCurrentFrame->RawAccessRef()
                          : RawAccessFrameRef();
   }
 
-  /**
-   * Writes data to the decoder. Only public for the benefit of nsICODecoder;
-   * other callers should use Decode().
-   *
-   * @param aBuffer buffer containing the data to be written
-   * @param aCount the number of bytes to write
-   *
-   * Any errors are reported by setting the appropriate state on the decoder.
-   */
-  void Write(const char* aBuffer, uint32_t aCount);
-
 
 protected:
   friend class nsICODecoder;
@@ -357,6 +359,16 @@ protected:
   void PostDataError();
   void PostDecoderError(nsresult aFailCode);
 
+  /**
+   * Called by Decode() to write data to the decoder.
+   *
+   * @param aBuffer A buffer containing the data to be written.
+   * @param aCount The number of bytes to write.
+   *
+   * Any errors are reported by setting the appropriate state on the decoder.
+   */
+  void Write(const char* aBuffer, uint32_t aCount);
+
   /**
    * CompleteDecode() finishes up the decoding process after Decode() determines
    * that we're finished. It records final progress and does all the cleanup

image/DecoderFactory.cpp

@@ -227,6 +227,54 @@ DecoderFactory::CreateMetadataDecoder(DecoderType aType,
   return task.forget();
 }
 
+/* static */ already_AddRefed<Decoder>
+DecoderFactory::CreateDecoderForICOResource(DecoderType aType,
+                                            NotNull<SourceBuffer*> aSourceBuffer,
+                                            NotNull<nsICODecoder*> aICODecoder,
+                                            const Maybe<uint32_t>& aDataOffset
+                                              /* = Nothing() */)
+{
+  // Create the decoder.
+  RefPtr<Decoder> decoder;
+  switch (aType) {
+    case DecoderType::BMP:
+      MOZ_ASSERT(aDataOffset);
+      decoder = new nsBMPDecoder(aICODecoder->GetImageMaybeNull(), *aDataOffset);
+      break;
+
+    case DecoderType::PNG:
+      MOZ_ASSERT(!aDataOffset);
+      decoder = new nsPNGDecoder(aICODecoder->GetImageMaybeNull());
+      break;
+
+    default:
+      MOZ_ASSERT_UNREACHABLE("Invalid ICO resource decoder type");
+      return nullptr;
+  }
+
+  MOZ_ASSERT(decoder);
+
+  // Initialize the decoder, copying settings from @aICODecoder.
+  decoder->SetMetadataDecode(aICODecoder->IsMetadataDecode());
+  decoder->SetIterator(aSourceBuffer->Iterator());
+  decoder->SetDecoderFlags(aICODecoder->GetDecoderFlags());
+  decoder->SetSurfaceFlags(aICODecoder->GetSurfaceFlags());
+
+  // Set a target size for downscale-during-decode if applicable.
+  const Maybe<IntSize> targetSize = aICODecoder->GetTargetSize();
+  if (targetSize) {
+    DebugOnly<nsresult> rv = decoder->SetTargetSize(*targetSize);
+    MOZ_ASSERT(NS_SUCCEEDED(rv), "Bad downscale-during-decode target size?");
+  }
+
+  decoder->Init();
+  if (NS_FAILED(decoder->GetDecoderError())) {
+    return nullptr;
+  }
+
+  return decoder.forget();
+}
+
 /* static */ already_AddRefed<Decoder>
 DecoderFactory::CreateAnonymousDecoder(DecoderType aType,
                                        NotNull<SourceBuffer*> aSourceBuffer,

image/DecoderFactory.h

@@ -20,6 +20,7 @@ namespace image {
 
 class Decoder;
 class IDecodingTask;
+class nsICODecoder;
 class RasterImage;
 class SourceBuffer;
 
@@ -119,6 +120,29 @@ public:
                         NotNull<SourceBuffer*> aSourceBuffer,
                         int aSampleSize);
 
+  /**
+   * Creates and initializes a decoder for an ICO resource, which may be either
+   * a BMP or PNG image.
+   *
+   * @param aType Which type of decoder to create. This must be either BMP or
+   *              PNG.
+   * @param aSourceBuffer The SourceBuffer which the decoder will read its data
+   *                      from.
+   * @param aICODecoder The ICO decoder which is controlling this resource
+   *                    decoder. @aICODecoder's settings will be copied to the
+   *                    resource decoder, so the two decoders will have the
+   *                    same decoder flags, surface flags, target size, and
+   *                    other parameters.
+   * @param aDataOffset If @aType is BMP, specifies the offset at which data
+   *                    begins in the BMP resource. Must be Some() if and only
+   *                    if @aType is BMP.
+   */
+  static already_AddRefed<Decoder>
+  CreateDecoderForICOResource(DecoderType aType,
+                              NotNull<SourceBuffer*> aSourceBuffer,
+                              NotNull<nsICODecoder*> aICODecoder,
+                              const Maybe<uint32_t>& aDataOffset = Nothing());
+
   /**
    * Creates and initializes an anonymous decoder (one which isn't associated
    * with an Image object). Only the first frame of the image will be decoded.

image/SourceBuffer.cpp

@@ -138,6 +138,13 @@ SourceBuffer::Compact()
     length += mChunks[i].Length();
   }
 
+  // If our total length is zero (which means ExpectLength() got called, but no
+  // data ever actually got written) then just empty our chunk list.
+  if (MOZ_UNLIKELY(length == 0)) {
+    mChunks.Clear();
+    return NS_OK;
+  }
+
   Maybe<Chunk> newChunk = CreateChunk(length, /* aRoundUp = */ false);
   if (MOZ_UNLIKELY(!newChunk || newChunk->AllocationFailed())) {
     NS_WARNING("Failed to allocate chunk for SourceBuffer compacting - OOM?");

image/decoders/icon/qt/gtkqticonsconverter.js

@@ -1,141 +0,0 @@
-/* vim:set ts=2 sw=2 sts=2 cin et: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
-
-
-function GtkQtIconsConverter()
-{ };
-GtkQtIconsConverter.prototype =
-{
-  classID:          Components.ID("{c0783c34-a831-40c6-8c03-98c9f74cca45}"),
-  QueryInterface: XPCOMUtils.generateQI(
-                                [Components.interfaces.nsIGtkQtIconsConverter]),
-  convert: function(icon) { return this._gtk_qt_icons_table[icon]; },
-  _gtk_qt_icons_table:
-  {
-    'about':
-    0,
-    'add':
-    0,
-    'apply':
-    44, // QStyle::SP_DialogApplyButton
-    'cancel':
-    39, // QStyle::SP_DialogCancelButton
-    'clear':
-    45, // QStyle::SP_DialogResetButton
-    'color-picker':
-    0,
-    'copy':
-    0,
-    'close':
-    43, // QStyle::SP_DialogCloseButton
-    'cut':
-    0,
-    'delete':
-    0,
-    'dialog-error':
-    0,
-    'dialog-info':
-    0,
-    'dialog-question':
-    12, // QStyle::SP_MessageBoxQuestion
-    'dialog-warning':
-    10, // QStyle::SP_MessageBoxWarning
-    'directory':
-    37, // QStyle::SP_DirIcon
-    'file':
-    24, // QStyle::SP_FileIcon
-    'find':
-    0,
-    'go-back-ltr':
-    53, // QStyle::SP_ArrowBack
-    'go-back-rtl':
-    53, // QStyle::SP_ArrowBack
-    'go-back':
-    53, // QStyle::SP_ArrowBack
-    'go-forward-ltr':
-    54, // QStyle::SP_ArrowForward
-    'go-forward-rtl':
-    54, // QStyle::SP_ArrowForward
-    'go-forward':
-    54, // QStyle::SP_ArrowForward
-    'go-up':
-    49, // QStyle::SP_ArrowUp
-    'goto-first':
-    0,
-    'goto-last':
-    0,
-    'help':
-    7, // QStyle::SP_TitleBarContextHelpButton
-    'home':
-    55, // QStyle::SP_DirHomeIcon
-    'info':
-    9, // QStyle::SP_MessageBoxInformation
-    'jump-to':
-    0,
-    'media-pause':
-    0,
-    'media-play':
-    0,
-    'network':
-    20, // QStyle::SP_DriveNetIcon
-    'no':
-    48, // QStyle::SP_DialogNoButton
-    'ok':
-    38, // QStyle::SP_DialogOkButton
-    'open':
-    21, // QStyle::SP_DirOpenIcon
-    'orientation-landscape':
-    0,
-    'orientation-portrait':
-    0,
-    'paste':
-    0,
-    'preferences':
-    34, // QStyle::SP_FileDialogContentsView
-    'print-preview':
-    0,
-    'print':
-    0,
-    'properties':
-    0,
-    'quit':
-    0,
-    'redo':
-    0,
-    'refresh':
-    58, // QStyle::SP_BrowserReload
-    'remove':
-    0,
-    'revert-to-saved':
-    0,
-    'save-as':
-    42, // QStyle::SP_DialogSaveButton
-    'save':
-    42, // QStyle::SP_DialogSaveButton
-    'select-all':
-    0,
-    'select-font':
-    0,
-    'stop':
-    59, // QStyle::SP_BrowserStop
-    'undelete':
-    0,
-    'undo':
-    0,
-    'yes':
-    47, // QStyle::SP_DialogYesButton
-    'zoom-100':
-    0,
-    'zoom-in':
-    0,
-    'zoom-out':
-    0
-  },
-}
-var components = [GtkQtIconsConverter];
-this.NSGetFactory = XPCOMUtils.generateNSGetFactory(components);
-

image/decoders/icon/qt/gtkqticonsconverter.manifest

@@ -1,2 +0,0 @@
-component {c0783c34-a831-40c6-8c03-98c9f74cca45} gtkqticonsconverter.js
-contract @mozilla.org/gtkqticonsconverter;1 {c0783c34-a831-40c6-8c03-98c9f74cca45}

image/decoders/icon/qt/moz.build

@@ -1,27 +0,0 @@
-# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
-# vim: set filetype=python:
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-XPIDL_SOURCES += [
-    'nsGtkQtIconsConverter.idl',
-]
-
-XPIDL_MODULE = 'gtkqticonsconverter'
-
-SOURCES += [
-    'nsIconChannel.cpp',
-]
-
-EXTRA_COMPONENTS += [
-    'gtkqticonsconverter.manifest',
-]
-
-EXTRA_PP_COMPONENTS += [
-    'gtkqticonsconverter.js',
-]
-
-FINAL_LIBRARY = 'xul'
-
-CXXFLAGS += CONFIG['MOZ_QT_CFLAGS']

image/decoders/icon/qt/nsGtkQtIconsConverter.idl

@@ -1,12 +0,0 @@
-/* vim:set ts=2 sw=2 sts=2 cin et: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "nsISupports.idl"
-
-[scriptable, uuid(c0783c34-a831-40c6-8c03-98c9f74cca45)]
-interface nsIGtkQtIconsConverter : nsISupports
-{
-  long convert(in string icon);
-};

image/decoders/icon/qt/nsIconChannel.cpp

@@ -1,133 +0,0 @@
-/* vim:set ts=2 sw=2 sts=2 cin et: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include <QIcon>
-
-#include <stdlib.h>
-#include <unistd.h>
-
-#include "mozilla/EndianUtils.h"
-
-#include "nsMimeTypes.h"
-#include "nsIMIMEService.h"
-
-#include "nsIStringBundle.h"
-
-#include "nsNetUtil.h"
-#include "nsNullPrincipal.h"
-#include "nsIURL.h"
-
-#include "nsIconChannel.h"
-#include "nsGtkQtIconsConverter.h"
-
-NS_IMPL_ISUPPORTS(nsIconChannel,
-                  nsIRequest,
-                  nsIChannel)
-
-static nsresult
-moz_qicon_to_channel(QImage* image, nsIURI* aURI,
-                     nsIChannel** aChannel)
-{
-  NS_ENSURE_ARG_POINTER(image);
-
-  int width = image->width();
-  int height = image->height();
-
-  NS_ENSURE_TRUE(height < 256 && width < 256 && height > 0 && width > 0,
-                 NS_ERROR_UNEXPECTED);
-
-  const int n_channels = 4;
-  long int buf_size = 2 + n_channels * height * width;
-  uint8_t* const buf = (uint8_t*)moz_xmalloc(buf_size);
-  NS_ENSURE_TRUE(buf, NS_ERROR_OUT_OF_MEMORY);
-  uint8_t* out = buf;
-
-  *(out++) = width;
-  *(out++) = height;
-
-  const uchar* const pixels = image->bits();
-  int rowextra = image->bytesPerLine() - width * n_channels;
-
-  // encode the RGB data and the A data
-  const uchar* in = pixels;
-  for (int y = 0; y < height; ++y, in += rowextra) {
-    for (int x = 0; x < width; ++x) {
-      uint8_t r = *(in++);
-      uint8_t g = *(in++);
-      uint8_t b = *(in++);
-      uint8_t a = *(in++);
-#define DO_PREMULTIPLY(c_) uint8_t(uint16_t(c_) * uint16_t(a) / uint16_t(255))
-#if MOZ_LITTLE_ENDIAN
-      *(out++) = DO_PREMULTIPLY(b);
-      *(out++) = DO_PREMULTIPLY(g);
-      *(out++) = DO_PREMULTIPLY(r);
-      *(out++) = a;
-#else
-      *(out++) = a;
-      *(out++) = DO_PREMULTIPLY(r);
-      *(out++) = DO_PREMULTIPLY(g);
-      *(out++) = DO_PREMULTIPLY(b);
-#endif
-#undef DO_PREMULTIPLY
-    }
-  }
-
-  NS_ASSERTION(out == buf + buf_size, "size miscalculation");
-
-  nsresult rv;
-  nsCOMPtr<nsIStringInputStream> stream =
-    do_CreateInstance("@mozilla.org/io/string-input-stream;1", &rv);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  rv = stream->AdoptData((char*)buf, buf_size);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  // nsIconProtocolHandler::NewChannel2 will provide the correct loadInfo for
-  // this iconChannel. Use the most restrictive security settings for the
-  // temporary loadInfo to make sure the channel can not be openend.
-  nsCOMPtr<nsIPrincipal> nullPrincipal = nsNullPrincipal::Create();
-  return NS_NewInputStreamChannel(aChannel,
-                                  aURI,
-                                  stream,
-                                  nullPrincipal,
-                                  nsILoadInfo::SEC_REQUIRE_SAME_ORIGIN_DATA_IS_BLOCKED,
-                                  nsIContentPolicy::TYPE_INTERNAL_IMAGE,
-                                  NS_LITERAL_CSTRING(IMAGE_ICON_MS));
-}
-
-nsresult
-nsIconChannel::Init(nsIURI* aURI)
-{
-
-  nsCOMPtr<nsIMozIconURI> iconURI = do_QueryInterface(aURI);
-  NS_ASSERTION(iconURI, "URI is not an nsIMozIconURI");
-
-  nsAutoCString stockIcon;
-  iconURI->GetStockIcon(stockIcon);
-
-  nsAutoCString iconSizeString;
-  iconURI->GetIconSize(iconSizeString);
-
-  uint32_t desiredImageSize;
-  iconURI->GetImageSize(&desiredImageSize);
-
-  nsAutoCString iconStateString;
-  iconURI->GetIconState(iconStateString);
-  bool disabled = iconStateString.EqualsLiteral("disabled");
-
-  // This is a workaround for
-  // https://bugzilla.mozilla.org/show_bug.cgi?id=662299
-  // Try to find corresponding freedesktop icon and fallback to empty QIcon
-  // if failed.
-  QIcon icon = QIcon::fromTheme(QString(stockIcon.get()).replace("gtk-",
-                                                                 "edit-"));
-  QPixmap pixmap = icon.pixmap(desiredImageSize, desiredImageSize,
-                               disabled ? QIcon::Disabled : QIcon::Normal);
-
-  QImage image = pixmap.toImage();
-
-  return moz_qicon_to_channel(&image, iconURI,
-                              getter_AddRefs(mRealChannel));
-}

image/decoders/icon/qt/nsIconChannel.h

@@ -1,40 +0,0 @@
-/* vim:set ts=2 sw=2 sts=2 cin et: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef mozilla_image_encoders_icon_qt_nsIconChannel_h
-#define mozilla_image_encoders_icon_qt_nsIconChannel_h
-
-#include "mozilla/Attributes.h"
-
-#include "nsIChannel.h"
-#include "nsIStreamListener.h"
-#include "nsIURI.h"
-#include "nsIIconURI.h"
-#include "nsCOMPtr.h"
-
-/// This class is the gnome implementation of nsIconChannel. It basically asks
-/// qt for an icon, and creates a new channel for
-/// that file to which all calls will be proxied.
-class nsIconChannel final : public nsIChannel {
-  public:
-    NS_DECL_ISUPPORTS
-    NS_FORWARD_NSIREQUEST(mRealChannel->)
-    NS_FORWARD_NSICHANNEL(mRealChannel->)
-
-    nsIconChannel() { };
-
-    /// Called by nsIconProtocolHandler after it creates this channel.
-    /// Must be called before calling any other function on this object.
-    /// If this method fails, no other function must be called on this object.
-    nsresult Init(nsIURI* aURI);
-  private:
-    ~nsIconChannel() { };
-
-    /// The channel to the temp icon file (e.g. to /tmp/2qy9wjqw.html).
-    /// Will always be non-null after a successful Init.
-    nsCOMPtr<nsIChannel> mRealChannel;
-};
-
-#endif // mozilla_image_encoders_icon_qt_nsIconChannel_h

image/decoders/moz.build

@@ -10,8 +10,6 @@ toolkit = CONFIG['MOZ_WIDGET_TOOLKIT']
 # fix that another time.
 if 'gtk' in toolkit:
     DIRS += ['icon/gtk', 'icon']
-elif toolkit == 'qt':
-    DIRS += ['icon/qt', 'icon']
 
 if CONFIG['OS_ARCH'] == 'WINNT':
     DIRS += ['icon/win', 'icon']

image/decoders/nsBMPDecoder.h

@@ -156,7 +156,6 @@ public:
 
 private:
   friend class DecoderFactory;
-  friend class nsICODecoder;
 
   enum class State {
     FILE_HEADER,
@@ -172,12 +171,10 @@ private:
     RLE_ABSOLUTE
   };
 
-  // This is the constructor used by DecoderFactory.
+  // This is the constructor used for normal BMP images.
   explicit nsBMPDecoder(RasterImage* aImage);
 
-  // This is the constructor used by nsICODecoder.
-  // XXX(seth): nsICODecoder is temporarily an exception to the rule that
-  //            decoders should only be instantiated via DecoderFactory.
+  // This is the constructor used for BMP resources in ICO images.
   nsBMPDecoder(RasterImage* aImage, uint32_t aDataOffset);
 
   // Helper constructor called by the other two.

image/decoders/nsICODecoder.cpp

@@ -54,6 +54,7 @@ nsICODecoder::GetNumColors()
 nsICODecoder::nsICODecoder(RasterImage* aImage)
   : Decoder(aImage)
   , mLexer(Transition::To(ICOState::HEADER, ICOHEADERSIZE))
+  , mDoNotResume(WrapNotNull(new DoNotResume))
   , mBiggestResourceColorDepth(0)
   , mBestResourceDelta(INT_MIN)
   , mBestResourceColorDepth(0)
@@ -88,9 +89,18 @@ nsICODecoder::GetFinalStateFromContainedDecoder()
     return;
   }
 
-  // Finish the internally used decoder.
-  mContainedDecoder->CompleteDecode();
+  MOZ_ASSERT(mContainedSourceBuffer,
+             "Should have a SourceBuffer if we have a decoder");
 
+  // Let the contained decoder finish up if necessary.
+  if (!mContainedSourceBuffer->IsComplete()) {
+    mContainedSourceBuffer->Complete(NS_OK);
+    if (NS_FAILED(mContainedDecoder->Decode(mDoNotResume))) {
+      PostDataError();
+    }
+  }
+
+  // Make our state the same as the state of the contained decoder.
   mDecodeDone = mContainedDecoder->GetDecodeDone();
   mDataError = mDataError || mContainedDecoder->HasDataError();
   mFailCode = NS_SUCCEEDED(mFailCode) ? mContainedDecoder->GetDecoderError()
@@ -291,14 +301,12 @@ nsICODecoder::SniffResource(const char* aData)
                        PNGSIGNATURESIZE);
   if (isPNG) {
     // Create a PNG decoder which will do the rest of the work for us.
-    mContainedDecoder = new nsPNGDecoder(mImage);
-    mContainedDecoder->SetMetadataDecode(IsMetadataDecode());
-    mContainedDecoder->SetDecoderFlags(GetDecoderFlags());
-    mContainedDecoder->SetSurfaceFlags(GetSurfaceFlags());
-    if (mDownscaler) {
-      mContainedDecoder->SetTargetSize(mDownscaler->TargetSize());
-    }
-    mContainedDecoder->Init();
+    mContainedSourceBuffer = new SourceBuffer();
+    mContainedSourceBuffer->ExpectLength(mDirEntry.mBytesInRes);
+    mContainedDecoder =
+      DecoderFactory::CreateDecoderForICOResource(DecoderType::PNG,
+                                                  WrapNotNull(mContainedSourceBuffer),
+                                                  WrapNotNull(this));
 
     if (!WriteToContainedDecoder(aData, PNGSIGNATURESIZE)) {
       return Transition::TerminateFailure();
@@ -371,15 +379,15 @@ nsICODecoder::ReadBIH(const char* aData)
 
   // Create a BMP decoder which will do most of the work for us; the exception
   // is the AND mask, which isn't present in standalone BMPs.
-  RefPtr<nsBMPDecoder> bmpDecoder = new nsBMPDecoder(mImage, dataOffset);
-  mContainedDecoder = bmpDecoder;
-  mContainedDecoder->SetMetadataDecode(IsMetadataDecode());
-  mContainedDecoder->SetDecoderFlags(GetDecoderFlags());
-  mContainedDecoder->SetSurfaceFlags(GetSurfaceFlags());
-  if (mDownscaler) {
-    mContainedDecoder->SetTargetSize(mDownscaler->TargetSize());
-  }
-  mContainedDecoder->Init();
+  mContainedSourceBuffer = new SourceBuffer();
+  mContainedSourceBuffer->ExpectLength(mDirEntry.mBytesInRes);
+  mContainedDecoder =
+    DecoderFactory::CreateDecoderForICOResource(DecoderType::BMP,
+                                                WrapNotNull(mContainedSourceBuffer),
+                                                WrapNotNull(this),
+                                                Some(dataOffset));
+  RefPtr<nsBMPDecoder> bmpDecoder =
+    static_cast<nsBMPDecoder*>(mContainedDecoder.get());
 
   // Verify that the BIH width and height values match the ICO directory entry,
   // and fix the BIH height value to compensate for the fact that the underlying
@@ -639,7 +647,22 @@ nsICODecoder::WriteInternal(const char* aBuffer, uint32_t aCount)
 bool
 nsICODecoder::WriteToContainedDecoder(const char* aBuffer, uint32_t aCount)
 {
-  mContainedDecoder->Write(aBuffer, aCount);
+  MOZ_ASSERT(mContainedDecoder);
+  MOZ_ASSERT(mContainedSourceBuffer);
+
+  // Append the provided data to the SourceBuffer that the contained decoder is
+  // reading from.
+  mContainedSourceBuffer->Append(aBuffer, aCount);
+
+  // Write to the contained decoder. If we run out of data, the ICO decoder will
+  // get resumed when there's more data available, as usual, so we don't need
+  // the contained decoder to get resumed too. To avoid that, we provide an
+  // IResumable which just does nothing.
+  if (NS_FAILED(mContainedDecoder->Decode(mDoNotResume))) {
+    PostDataError();
+  }
+
+  // Make our state the same as the state of the contained decoder.
   mProgress |= mContainedDecoder->TakeProgress();
   mInvalidRect.UnionRect(mInvalidRect, mContainedDecoder->TakeInvalidRect());
   if (mContainedDecoder->HasDataError()) {
@@ -648,6 +671,7 @@ nsICODecoder::WriteToContainedDecoder(const char* aBuffer, uint32_t aCount)
   if (mContainedDecoder->HasDecoderError()) {
     PostDecoderError(mContainedDecoder->GetDecoderError());
   }
+
   return !HasError();
 }
 

image/decoders/nsICODecoder.h

@@ -10,10 +10,11 @@
 #include "StreamingLexer.h"
 #include "Decoder.h"
 #include "imgFrame.h"
+#include "mozilla/gfx/2D.h"
+#include "mozilla/NotNull.h"
 #include "nsBMPDecoder.h"
 #include "nsPNGDecoder.h"
 #include "ICOFileHeaders.h"
-#include "mozilla/gfx/2D.h"
 
 namespace mozilla {
 namespace image {
@@ -110,8 +111,22 @@ private:
   LexerTransition<ICOState> FinishMask();
   LexerTransition<ICOState> FinishResource();
 
+  // A helper implementation of IResumable which just does nothing; see
+  // WriteToContainedDecoder() for more details.
+  class DoNotResume final : public IResumable
+  {
+  public:
+    NS_INLINE_DECL_THREADSAFE_REFCOUNTING(DoNotResume, override)
+    void Resume() override { }
+
+  private:
+    virtual ~DoNotResume() { }
+  };
+
   StreamingLexer<ICOState, 32> mLexer; // The lexer.
   RefPtr<Decoder> mContainedDecoder; // Either a BMP or PNG decoder.
+  RefPtr<SourceBuffer> mContainedSourceBuffer;  // SourceBuffer for mContainedDecoder.
+  NotNull<RefPtr<IResumable>> mDoNotResume;  // IResumable helper for SourceBuffer.
   UniquePtr<uint8_t[]> mMaskBuffer;    // A temporary buffer for the alpha mask.
   char mBIHraw[bmp::InfoHeaderLength::WIN_ICO]; // The bitmap information header.
   IconDirEntry mDirEntry;              // The dir entry for the selected resource.

image/decoders/nsPNGDecoder.cpp

@@ -998,6 +998,38 @@ nsPNGDecoder::SpeedHistogram()
   return Telemetry::IMAGE_DECODE_SPEED_PNG;
 }
 
+bool
+nsPNGDecoder::IsValidICO() const
+{
+  // Only 32-bit RGBA PNGs are valid ICO resources; see here:
+  //   http://blogs.msdn.com/b/oldnewthing/archive/2010/10/22/10079192.aspx
+
+  // If there are errors in the call to png_get_IHDR, the error_callback in
+  // nsPNGDecoder.cpp is called.  In this error callback we do a longjmp, so
+  // we need to save the jump buffer here. Oterwise we'll end up without a
+  // proper callstack.
+  if (setjmp(png_jmpbuf(mPNG))) {
+    // We got here from a longjmp call indirectly from png_get_IHDR
+    return false;
+  }
+
+  png_uint_32
+      png_width,  // Unused
+      png_height; // Unused
+
+  int png_bit_depth,
+      png_color_type;
+
+  if (png_get_IHDR(mPNG, mInfo, &png_width, &png_height, &png_bit_depth,
+                   &png_color_type, nullptr, nullptr, nullptr)) {
+
+    return ((png_color_type == PNG_COLOR_TYPE_RGB_ALPHA ||
+             png_color_type == PNG_COLOR_TYPE_RGB) &&
+            png_bit_depth == 8);
+  } else {
+    return false;
+  }
+}
 
 } // namespace image
 } // namespace mozilla

image/decoders/nsPNGDecoder.h

@@ -26,12 +26,13 @@ public:
   virtual void WriteInternal(const char* aBuffer, uint32_t aCount) override;
   virtual Telemetry::ID SpeedHistogram() override;
 
+  /// @return true if this PNG is a valid ICO resource.
+  bool IsValidICO() const;
+
 private:
   friend class DecoderFactory;
-  friend class nsICODecoder;
 
   // Decoders should only be instantiated via DecoderFactory.
-  // XXX(seth): nsICODecoder is temporarily an exception to this rule.
   explicit nsPNGDecoder(RasterImage* aImage);
 
   nsresult CreateFrame(gfx::SurfaceFormat aFormat,
@@ -54,37 +55,6 @@ private:
 
   void WriteRow(uint8_t* aRow);
 
-  // Check if PNG is valid ICO (32bpp RGBA)
-  // http://blogs.msdn.com/b/oldnewthing/archive/2010/10/22/10079192.aspx
-  bool IsValidICO() const
-  {
-    // If there are errors in the call to png_get_IHDR, the error_callback in
-    // nsPNGDecoder.cpp is called.  In this error callback we do a longjmp, so
-    // we need to save the jump buffer here. Oterwise we'll end up without a
-    // proper callstack.
-    if (setjmp(png_jmpbuf(mPNG))) {
-      // We got here from a longjmp call indirectly from png_get_IHDR
-      return false;
-    }
-
-    png_uint_32
-        png_width,  // Unused
-        png_height; // Unused
-
-    int png_bit_depth,
-        png_color_type;
-
-    if (png_get_IHDR(mPNG, mInfo, &png_width, &png_height, &png_bit_depth,
-                     &png_color_type, nullptr, nullptr, nullptr)) {
-
-      return ((png_color_type == PNG_COLOR_TYPE_RGB_ALPHA ||
-               png_color_type == PNG_COLOR_TYPE_RGB) &&
-              png_bit_depth == 8);
-    } else {
-      return false;
-    }
-  }
-
   enum class State
   {
     PNG_DATA,

intl/locale/moz.build

@@ -66,6 +66,3 @@ GENERATED_FILES += [
 langgroups = GENERATED_FILES['langGroups.properties.h']
 langgroups.script = 'props2arrays.py'
 langgroups.inputs = ['langGroups.properties']
-
-if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'qt':
-    CXXFLAGS += CONFIG['MOZ_QT_CFLAGS']

intl/unicharutil/tables/moz.build

@@ -10,7 +10,3 @@ RESOURCE_FILES.entityTables = [
     'html40Symbols.properties',
     'mathml20.properties',
 ]
-
-if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'qt':
-    CFLAGS += CONFIG['MOZ_QT_CFLAGS']
-    CXXFLAGS += CONFIG['MOZ_QT_CFLAGS']

ipc/chromium/moz.build

@@ -139,11 +139,6 @@ if os_bsd or os_linux:
         SOURCES += [
             'src/base/message_pump_glib.cc',
         ]
-    if CONFIG['MOZ_ENABLE_QT']:
-        SOURCES += [
-            '!moc_message_pump_qt.cc',
-            'src/base/message_pump_qt.cc',
-        ]
 
 ost = CONFIG['OS_TEST']
 if '86' not in ost and 'arm' not in ost and 'aarch64' != ost and 'mips' not in ost:

js/public/UbiNode.h

@@ -578,6 +578,11 @@ class Base {
     // node owns exclusively that are not exposed as their own ubi::Nodes.
     // |mallocSizeOf| should be a malloc block sizing function; see
     // |mfbt/MemoryReporting.h|.
+    //
+    // Because we can use |JS::ubi::Node|s backed by a snapshot that was taken
+    // on a 64-bit platform when we are currently on a 32-bit platform, we
+    // cannot rely on |size_t| for node sizes. Instead, |Size| is uint64_t on
+    // all platforms.
     using Size = uint64_t;
     virtual Size size(mozilla::MallocSizeOf mallocSizeof) const { return 1; }
 
@@ -641,28 +646,28 @@ class Base {
 };
 
 // A traits template with a specialization for each referent type that
-// ubi::Node supports. The specialization must be the concrete subclass of
-// Base that represents a pointer to the referent type. It must also
-// include the members described here.
+// ubi::Node supports. The specialization must be the concrete subclass of Base
+// that represents a pointer to the referent type. It must include these
+// members:
+//
+//    // The specific char16_t array returned by Concrete<T>::typeName().
+//    static const char16_t concreteTypeName[];
+//
+//    // Construct an instance of this concrete class in |storage| referring
+//    // to |referent|. Implementations typically use a placement 'new'.
+//    //
+//    // In some cases, |referent| will contain dynamic type information that
+//    // identifies it a some more specific subclass of |Referent|. For
+//    // example, when |Referent| is |JSObject|, then |referent->getClass()|
+//    // could tell us that it's actually a JSFunction. Similarly, if
+//    // |Referent| is |nsISupports|, we would like a ubi::Node that knows its
+//    // final implementation type.
+//    //
+//    // So we delegate the actual construction to this specialization, which
+//    // knows Referent's details.
+//    static void construct(void* storage, Referent* referent);
 template<typename Referent>
-struct Concrete {
-    // The specific char16_t array returned by Concrete<T>::typeName.
-    static const char16_t concreteTypeName[];
-
-    // Construct an instance of this concrete class in |storage| referring
-    // to |referent|. Implementations typically use a placement 'new'.
-    //
-    // In some cases, |referent| will contain dynamic type information that
-    // identifies it a some more specific subclass of |Referent|. For example,
-    // when |Referent| is |JSObject|, then |referent->getClass()| could tell us
-    // that it's actually a JSFunction. Similarly, if |Referent| is
-    // |nsISupports|, we would like a ubi::Node that knows its final
-    // implementation type.
-    //
-    // So, we delegate the actual construction to this specialization, which
-    // knows Referent's details.
-    static void construct(void* storage, Referent* referent);
-};
+class Concrete;
 
 // A container for a Base instance; all members simply forward to the contained
 // instance.  This container allows us to pass ubi::Node instances by value.
@@ -994,24 +999,24 @@ class MOZ_STACK_CLASS RootList {
 /*** Concrete classes for ubi::Node referent types ************************************************/
 
 template<>
-struct Concrete<RootList> : public Base {
-    js::UniquePtr<EdgeRange> edges(JSRuntime* rt, bool wantNames) const override;
-    const char16_t* typeName() const override { return concreteTypeName; }
-
+class Concrete<RootList> : public Base {
   protected:
     explicit Concrete(RootList* ptr) : Base(ptr) { }
     RootList& get() const { return *static_cast<RootList*>(ptr); }
 
   public:
-    static const char16_t concreteTypeName[];
     static void construct(void* storage, RootList* ptr) { new (storage) Concrete(ptr); }
+
+    js::UniquePtr<EdgeRange> edges(JSRuntime* rt, bool wantNames) const override;
+
+    const char16_t* typeName() const override { return concreteTypeName; }
+    static const char16_t concreteTypeName[];
 };
 
 // A reusable ubi::Concrete specialization base class for types supported by
 // JS::TraceChildren.
 template<typename Referent>
 class TracerConcrete : public Base {
-    const char16_t* typeName() const override { return concreteTypeName; }
     js::UniquePtr<EdgeRange> edges(JSRuntime* rt, bool wantNames) const override;
     JS::Zone* zone() const override;
 
@@ -1020,7 +1025,6 @@ class TracerConcrete : public Base {
     Referent& get() const { return *static_cast<Referent*>(ptr); }
 
   public:
-    static const char16_t concreteTypeName[];
     static void construct(void* storage, Referent* ptr) { new (storage) TracerConcrete(ptr); }
 };
 
@@ -1042,9 +1046,7 @@ class TracerConcreteWithCompartment : public TracerConcrete<Referent> {
 // Define specializations for some commonly-used public JSAPI types.
 // These can use the generic templates above.
 template<>
-struct Concrete<JS::Symbol> : TracerConcrete<JS::Symbol> {
-    Size size(mozilla::MallocSizeOf mallocSizeOf) const override;
-
+class Concrete<JS::Symbol> : TracerConcrete<JS::Symbol> {
   protected:
     explicit Concrete(JS::Symbol* ptr) : TracerConcrete(ptr) { }
 
@@ -1052,23 +1054,40 @@ struct Concrete<JS::Symbol> : TracerConcrete<JS::Symbol> {
     static void construct(void* storage, JS::Symbol* ptr) {
         new (storage) Concrete(ptr);
     }
+
+    Size size(mozilla::MallocSizeOf mallocSizeOf) const override;
+
+    const char16_t* typeName() const override { return concreteTypeName; }
+    static const char16_t concreteTypeName[];
 };
 
-template<> struct Concrete<JSScript> : TracerConcreteWithCompartment<JSScript> {
-    CoarseType coarseType() const final { return CoarseType::Script; }
-    Size size(mozilla::MallocSizeOf mallocSizeOf) const override;
-    const char* scriptFilename() const final;
-
+template<>
+class Concrete<JSScript> : TracerConcreteWithCompartment<JSScript> {
   protected:
     explicit Concrete(JSScript *ptr) : TracerConcreteWithCompartment<JSScript>(ptr) { }
 
   public:
     static void construct(void *storage, JSScript *ptr) { new (storage) Concrete(ptr); }
+
+    CoarseType coarseType() const final { return CoarseType::Script; }
+    Size size(mozilla::MallocSizeOf mallocSizeOf) const override;
+    const char* scriptFilename() const final;
+
+    const char16_t* typeName() const override { return concreteTypeName; }
+    static const char16_t concreteTypeName[];
 };
 
 // The JSObject specialization.
 template<>
 class Concrete<JSObject> : public TracerConcreteWithCompartment<JSObject> {
+  protected:
+    explicit Concrete(JSObject* ptr) : TracerConcreteWithCompartment(ptr) { }
+
+  public:
+    static void construct(void* storage, JSObject* ptr) {
+        new (storage) Concrete(ptr);
+    }
+
     const char* jsObjectClassName() const override;
     MOZ_MUST_USE bool jsObjectConstructorName(JSContext* cx, UniqueTwoByteChars& outName)
         const override;
@@ -1079,26 +1098,25 @@ class Concrete<JSObject> : public TracerConcreteWithCompartment<JSObject> {
 
     CoarseType coarseType() const final { return CoarseType::Object; }
 
-  protected:
-    explicit Concrete(JSObject* ptr) : TracerConcreteWithCompartment(ptr) { }
-
-  public:
-    static void construct(void* storage, JSObject* ptr) {
-        new (storage) Concrete(ptr);
-    }
+    const char16_t* typeName() const override { return concreteTypeName; }
+    static const char16_t concreteTypeName[];
 };
 
 // For JSString, we extend the generic template with a 'size' implementation.
-template<> struct Concrete<JSString> : TracerConcrete<JSString> {
-    Size size(mozilla::MallocSizeOf mallocSizeOf) const override;
-
-    CoarseType coarseType() const final { return CoarseType::String; }
-
+template<>
+class Concrete<JSString> : TracerConcrete<JSString> {
   protected:
     explicit Concrete(JSString *ptr) : TracerConcrete<JSString>(ptr) { }
 
   public:
     static void construct(void *storage, JSString *ptr) { new (storage) Concrete(ptr); }
+
+    Size size(mozilla::MallocSizeOf mallocSizeOf) const override;
+
+    CoarseType coarseType() const final { return CoarseType::String; }
+
+    const char16_t* typeName() const override { return concreteTypeName; }
+    static const char16_t concreteTypeName[];
 };
 
 // The ubi::Node null pointer. Any attempt to operate on a null ubi::Node asserts.
@@ -1115,7 +1133,6 @@ class Concrete<void> : public Base {
 
   public:
     static void construct(void* storage, void* ptr) { new (storage) Concrete(ptr); }
-    static const char16_t concreteTypeName[];
 };
 
 

js/public/Value.h

@@ -546,7 +546,7 @@ static inline jsval_layout
 OBJECT_TO_JSVAL_IMPL(JSObject* obj)
 {
     jsval_layout l;
-    MOZ_ASSERT(uintptr_t(obj) > 0x1000 || uintptr_t(obj) == 0x42);
+    MOZ_ASSERT(uintptr_t(obj) > 0x1000 || uintptr_t(obj) == 0x48);
     l.s.tag = JSVAL_TAG_OBJECT;
     l.s.payload.obj = obj;
     return l;
@@ -828,7 +828,7 @@ OBJECT_TO_JSVAL_IMPL(JSObject* obj)
 {
     jsval_layout l;
     uint64_t objBits = (uint64_t)obj;
-    MOZ_ASSERT(uintptr_t(obj) > 0x1000 || uintptr_t(obj) == 0x42);
+    MOZ_ASSERT(uintptr_t(obj) > 0x1000 || uintptr_t(obj) == 0x48);
     MOZ_ASSERT((objBits >> JSVAL_TAG_SHIFT) == 0);
     l.asBits = objBits | JSVAL_SHIFTED_TAG_OBJECT;
     return l;
@@ -1552,7 +1552,7 @@ static inline Value
 ObjectValueCrashOnTouch()
 {
     Value v;
-    v.setObject(*reinterpret_cast<JSObject*>(0x42));
+    v.setObject(*reinterpret_cast<JSObject*>(0x48));
     return v;
 }
 

js/src/jit/ExecutableAllocator.h

@@ -296,6 +296,11 @@ class ExecutableAllocator
             : "r" (code), "r" (reinterpret_cast<char*>(code) + size)
             : "r0", "r1", "r2");
     }
+#elif defined(JS_CODEGEN_ARM64) && (defined(__linux__) || defined(ANDROID)) && defined(__GNUC__)
+    static void cacheFlush(void* code, size_t size)
+    {
+	__clear_cache(code, (void *)((size_t)code + size));
+    }
 #elif JS_CPU_SPARC
     static void cacheFlush(void* code, size_t size)
     {

js/src/jit/Ion.cpp

@@ -3333,7 +3333,7 @@ PerThreadData::setAutoFlushICache(AutoFlushICache* afc)
 void
 AutoFlushICache::setRange(uintptr_t start, size_t len)
 {
-#if defined(JS_CODEGEN_ARM) || defined(JS_CODEGEN_MIPS32) || defined(JS_CODEGEN_MIPS64)
+#if defined(JS_CODEGEN_ARM) || defined(JS_CODEGEN_ARM64) || defined(JS_CODEGEN_MIPS32) || defined(JS_CODEGEN_MIPS64)
     AutoFlushICache* afc = TlsPerThreadData.get()->PerThreadData::autoFlushICache();
     MOZ_ASSERT(afc);
     MOZ_ASSERT(!afc->start_);
@@ -3420,14 +3420,14 @@ AutoFlushICache::setInhibit()
 // the respective AutoFlushICache dynamic context.
 //
 AutoFlushICache::AutoFlushICache(const char* nonce, bool inhibit)
-#if defined(JS_CODEGEN_ARM) || defined(JS_CODEGEN_MIPS32) || defined(JS_CODEGEN_MIPS64)
+#if defined(JS_CODEGEN_ARM) || defined(JS_CODEGEN_ARM64) || defined(JS_CODEGEN_MIPS32) || defined(JS_CODEGEN_MIPS64)
   : start_(0),
     stop_(0),
     name_(nonce),
     inhibit_(inhibit)
 #endif
 {
-#if defined(JS_CODEGEN_ARM) || defined(JS_CODEGEN_MIPS32) || defined(JS_CODEGEN_MIPS64)
+#if defined(JS_CODEGEN_ARM) || defined(JS_CODEGEN_ARM64) || defined(JS_CODEGEN_MIPS32) || defined(JS_CODEGEN_MIPS64)
     PerThreadData* pt = TlsPerThreadData.get();
     AutoFlushICache* afc = pt->PerThreadData::autoFlushICache();
     if (afc)
@@ -3442,7 +3442,7 @@ AutoFlushICache::AutoFlushICache(const char* nonce, bool inhibit)
 
 AutoFlushICache::~AutoFlushICache()
 {
-#if defined(JS_CODEGEN_ARM) || defined(JS_CODEGEN_MIPS32) || defined(JS_CODEGEN_MIPS64)
+#if defined(JS_CODEGEN_ARM) || defined(JS_CODEGEN_ARM64) || defined(JS_CODEGEN_MIPS32) || defined(JS_CODEGEN_MIPS64)
     PerThreadData* pt = TlsPerThreadData.get();
     MOZ_ASSERT(pt->PerThreadData::autoFlushICache() == this);
 

js/src/jit/IonCode.h

@@ -751,7 +751,7 @@ struct VMFunction;
 struct AutoFlushICache
 {
   private:
-#if defined(JS_CODEGEN_ARM) || defined(JS_CODEGEN_MIPS32) || defined(JS_CODEGEN_MIPS64)
+#if defined(JS_CODEGEN_ARM) || defined(JS_CODEGEN_ARM64) || defined(JS_CODEGEN_MIPS32) || defined(JS_CODEGEN_MIPS64)
     uintptr_t start_;
     uintptr_t stop_;
     const char* name_;
@@ -788,7 +788,13 @@ IsMarked(const jit::VMFunction*)
 namespace JS {
 namespace ubi {
 template<>
-struct Concrete<js::jit::JitCode> : TracerConcrete<js::jit::JitCode> {
+class Concrete<js::jit::JitCode> : TracerConcrete<js::jit::JitCode> {
+  protected:
+    explicit Concrete(js::jit::JitCode *ptr) : TracerConcrete<js::jit::JitCode>(ptr) { }
+
+  public:
+    static void construct(void *storage, js::jit::JitCode *ptr) { new (storage) Concrete(ptr); }
+
     CoarseType coarseType() const final { return CoarseType::Script; }
 
     Size size(mozilla::MallocSizeOf mallocSizeOf) const override {
@@ -798,11 +804,8 @@ struct Concrete<js::jit::JitCode> : TracerConcrete<js::jit::JitCode> {
         return size;
     }
 
-  protected:
-    explicit Concrete(js::jit::JitCode *ptr) : TracerConcrete<js::jit::JitCode>(ptr) { }
-
-  public:
-    static void construct(void *storage, js::jit::JitCode *ptr) { new (storage) Concrete(ptr); }
+    const char16_t* typeName() const override { return concreteTypeName; }
+    static const char16_t concreteTypeName[];
 };
 
 } // namespace ubi

js/src/jit/arm64/Trampoline-arm64.cpp

@@ -272,6 +272,7 @@ JitRuntime::generateEnterJIT(JSContext* cx, EnterJitType type)
     masm.abiret();
 
     Linker linker(masm);
+    AutoFlushICache afc("EnterJIT");
     JitCode* code = linker.newCode<NoGC>(cx, OTHER_CODE);
 
 #ifdef JS_ION_PERF
@@ -313,6 +314,7 @@ JitRuntime::generateInvalidator(JSContext* cx)
     masm.branch(bailoutTail);
 
     Linker linker(masm);
+    AutoFlushICache afc("Invalidator");
     return linker.newCode<NoGC>(cx, OTHER_CODE);
 }
 
@@ -420,6 +422,7 @@ JitRuntime::generateArgumentsRectifier(JSContext* cx, void** returnAddrOut)
     masm.ret();
 
     Linker linker(masm);
+    AutoFlushICache afc("ArgumentsRectifier");
     JitCode* code = linker.newCode<NoGC>(cx, OTHER_CODE);
 
     if (returnAddrOut)
@@ -527,6 +530,7 @@ JitRuntime::generateBailoutTable(JSContext* cx, uint32_t frameClass)
     MacroAssembler masm;
     masm.breakpoint();
     Linker linker(masm);
+    AutoFlushICache afc("BailoutTable");
     return linker.newCode<NoGC>(cx, OTHER_CODE);
 }
 
@@ -541,6 +545,7 @@ JitRuntime::generateBailoutHandler(JSContext* cx)
 #endif
 
     Linker linker(masm);
+    AutoFlushICache afc("BailoutHandler");
     return linker.newCode<NoGC>(cx, OTHER_CODE);
 }
 
@@ -727,6 +732,7 @@ JitRuntime::generateVMWrapper(JSContext* cx, const VMFunction& f)
               f.extraValuesToPop * sizeof(Value)));
 
     Linker linker(masm);
+    AutoFlushICache afc("VMWrapper");
     JitCode* wrapper = linker.newCode<NoGC>(cx, OTHER_CODE);
     if (!wrapper)
         return nullptr;
@@ -770,6 +776,7 @@ JitRuntime::generatePreBarrier(JSContext* cx, MIRType type)
     masm.abiret();
 
     Linker linker(masm);
+    AutoFlushICache afc("PreBarrier");
     return linker.newCode<NoGC>(cx, OTHER_CODE);
 }
 
@@ -824,6 +831,7 @@ JitRuntime::generateDebugTrapHandler(JSContext* cx)
     masm.abiret();
 
     Linker linker(masm);
+    AutoFlushICache afc("DebugTrapHandler");
     JitCode* codeDbg = linker.newCode<NoGC>(cx, OTHER_CODE);
 
 #ifdef JS_ION_PERF
@@ -841,6 +849,7 @@ JitRuntime::generateExceptionTailStub(JSContext* cx, void* handler)
     masm.handleFailureWithHandlerTail(handler);
 
     Linker linker(masm);
+    AutoFlushICache afc("ExceptionTailStub");
     JitCode* code = linker.newCode<NoGC>(cx, OTHER_CODE);
 
 #ifdef JS_ION_PERF
@@ -858,6 +867,7 @@ JitRuntime::generateBailoutTailStub(JSContext* cx)
     masm.generateBailoutTail(r1, r2);
 
     Linker linker(masm);
+    AutoFlushICache afc("BailoutTailStub");
     JitCode* code = linker.newCode<NoGC>(cx, OTHER_CODE);
 
 #ifdef JS_ION_PERF

js/src/jsapi-tests/testUbiNode.cpp

@@ -41,10 +41,14 @@ namespace JS {
 namespace ubi {
 
 template<>
-struct Concrete<FakeNode> : public Base
+class Concrete<FakeNode> : public Base
 {
-    static const char16_t concreteTypeName[];
-    const char16_t* typeName() const override { return concreteTypeName; }
+  protected:
+    explicit Concrete(FakeNode* ptr) : Base(ptr) { }
+    FakeNode& get() const { return *static_cast<FakeNode*>(ptr); }
+
+  public:
+    static void construct(void* storage, FakeNode* ptr) { new (storage) Concrete(ptr); }
 
     UniquePtr<EdgeRange> edges(JSRuntime* rt, bool wantNames) const override {
         return UniquePtr<EdgeRange>(js_new<PreComputedEdgeRange>(get().edges));
@@ -54,11 +58,8 @@ struct Concrete<FakeNode> : public Base
         return 1;
     }
 
-    static void construct(void* storage, FakeNode* ptr) { new (storage) Concrete(ptr); }
-
-  protected:
-    explicit Concrete(FakeNode* ptr) : Base(ptr) { }
-    FakeNode& get() const { return *static_cast<FakeNode*>(ptr); }
+    static const char16_t concreteTypeName[];
+    const char16_t* typeName() const override { return concreteTypeName; }
 };
 
 const char16_t Concrete<FakeNode>::concreteTypeName[] = MOZ_UTF16("FakeNode");

js/src/jsapi.cpp

@@ -1836,15 +1836,19 @@ JS_GlobalObjectTraceHook(JSTracer* trc, JSObject* global)
 {
     MOZ_ASSERT(global->is<GlobalObject>());
 
-    // Off thread parsing and compilation tasks create a dummy global which is then
-    // merged back into the host compartment. Since it used to be a global, it will still
-    // have this trace hook, but it does not have a meaning relative to its new compartment.
-    // We can safely skip it.
-    if (!global->isOwnGlobal())
+    // Off thread parsing and compilation tasks create a dummy global which is
+    // then merged back into the host compartment. Since it used to be a
+    // global, it will still have this trace hook, but it does not have a
+    // meaning relative to its new compartment. We can safely skip it.
+    //
+    // Similarly, if we GC when creating the global, we may not have set that
+    // global's compartment's global pointer yet. In this case, the compartment
+    // will not yet contain anything that needs to be traced.
+    if (!global->isOwnGlobal(trc))
         return;
 
-    // Trace the compartment for any GC things that should only stick around if we know the
-    // compartment is live.
+    // Trace the compartment for any GC things that should only stick around if
+    // we know the compartment is live.
     global->compartment()->trace(trc);
 
     if (JSTraceOp trace = global->compartment()->creationOptions().getTrace())