Bug 1203920 - Get rid of JS_SetStructuredCloneCallbacks, r=sfink

js/public/StructuredClone.h

@@ -236,9 +236,6 @@ class JS_PUBLIC_API(JSAutoStructuredCloneBuffer) {
 #define JS_SCERR_TRANSFERABLE 1
 #define JS_SCERR_DUP_TRANSFERABLE 2
 
-JS_PUBLIC_API(void)
-JS_SetStructuredCloneCallbacks(JSRuntime* rt, const JSStructuredCloneCallbacks* callbacks);
-
 JS_PUBLIC_API(bool)
 JS_ReadUint32Pair(JSStructuredCloneReader* r, uint32_t* p1, uint32_t* p2);
 

js/src/jsapi-tests/testMappedArrayBuffer.cpp

@@ -126,10 +126,9 @@ bool TestCloneObject()
     CHECK(obj1);
     JSAutoStructuredCloneBuffer cloned_buffer;
     JS::RootedValue v1(cx, JS::ObjectValue(*obj1));
-    const JSStructuredCloneCallbacks* callbacks = js::GetContextStructuredCloneCallbacks(cx);
-    CHECK(cloned_buffer.write(cx, v1, callbacks, nullptr));
+    CHECK(cloned_buffer.write(cx, v1, nullptr, nullptr));
     JS::RootedValue v2(cx);
-    CHECK(cloned_buffer.read(cx, &v2, callbacks, nullptr));
+    CHECK(cloned_buffer.read(cx, &v2, nullptr, nullptr));
     JS::RootedObject obj2(cx, v2.toObjectOrNull());
     CHECK(VerifyObject(obj2, 8, 12, false));
 
@@ -162,10 +161,9 @@ bool TestTransferObject()
     JS::RootedValue transferable(cx, JS::ObjectValue(*obj));
 
     JSAutoStructuredCloneBuffer cloned_buffer;
-    const JSStructuredCloneCallbacks* callbacks = js::GetContextStructuredCloneCallbacks(cx);
-    CHECK(cloned_buffer.write(cx, v1, transferable, callbacks, nullptr));
+    CHECK(cloned_buffer.write(cx, v1, transferable, nullptr, nullptr));
     JS::RootedValue v2(cx);
-    CHECK(cloned_buffer.read(cx, &v2, callbacks, nullptr));
+    CHECK(cloned_buffer.read(cx, &v2, nullptr, nullptr));
     JS::RootedObject obj2(cx, v2.toObjectOrNull());
     CHECK(VerifyObject(obj2, 8, 12, true));
     CHECK(isNeutered(obj1));

js/src/jsfriendapi.cpp

@@ -1025,12 +1025,6 @@ js::DumpHeap(JSRuntime* rt, FILE* fp, js::DumpHeapNurseryBehaviour nurseryBehavi
     fflush(dtrc.output);
 }
 
-JS_FRIEND_API(const JSStructuredCloneCallbacks*)
-js::GetContextStructuredCloneCallbacks(JSContext* cx)
-{
-    return cx->runtime()->structuredCloneCallbacks;
-}
-
 JS_FRIEND_API(bool)
 js::ContextHasOutstandingRequests(const JSContext* cx)
 {

js/src/jsfriendapi.h

@@ -1083,9 +1083,6 @@ typedef void
 JS_FRIEND_API(void)
 SetActivityCallback(JSRuntime* rt, ActivityCallback cb, void* arg);
 
-extern JS_FRIEND_API(const JSStructuredCloneCallbacks*)
-GetContextStructuredCloneCallbacks(JSContext* cx);
-
 typedef bool
 (* DOMInstanceClassHasProtoAtDepth)(const Class* instanceClass,
                                     uint32_t protoID, uint32_t depth);

js/src/vm/Runtime.cpp

@@ -195,7 +195,6 @@ JSRuntime::JSRuntime(JSRuntime* parentRuntime)
     securityCallbacks(const_cast<JSSecurityCallbacks*>(&NullSecurityCallbacks)),
     DOMcallbacks(nullptr),
     destroyPrincipals(nullptr),
-    structuredCloneCallbacks(nullptr),
     errorReporter(nullptr),
     linkedAsmJSModules(nullptr),
     propertyRemovals(0),

js/src/vm/Runtime.h

@@ -1154,9 +1154,6 @@ struct JSRuntime : public JS::shadow::Runtime,
     const js::DOMCallbacks* DOMcallbacks;
     JSDestroyPrincipalsOp destroyPrincipals;
 
-    /* Structured data callbacks are runtime-wide. */
-    const JSStructuredCloneCallbacks* structuredCloneCallbacks;
-
     /* Optional error reporter. */
     JSErrorReporter     errorReporter;
 

js/src/vm/StructuredClone.cpp

@@ -1966,10 +1966,7 @@ JS_ReadStructuredClone(JSContext* cx, uint64_t* buf, size_t nbytes,
         JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_SC_BAD_CLONE_VERSION);
         return false;
     }
-    const JSStructuredCloneCallbacks* callbacks =
-        optionalCallbacks ?
-        optionalCallbacks :
-        cx->runtime()->structuredCloneCallbacks;
+    const JSStructuredCloneCallbacks* callbacks = optionalCallbacks;
     return ReadStructuredClone(cx, buf, nbytes, vp, callbacks, closure);
 }
 
@@ -1982,10 +1979,7 @@ JS_WriteStructuredClone(JSContext* cx, HandleValue value, uint64_t** bufp, size_
     CHECK_REQUEST(cx);
     assertSameCompartment(cx, value);
 
-    const JSStructuredCloneCallbacks* callbacks =
-        optionalCallbacks ?
-        optionalCallbacks :
-        cx->runtime()->structuredCloneCallbacks;
+    const JSStructuredCloneCallbacks* callbacks = optionalCallbacks;
     return WriteStructuredClone(cx, value, bufp, nbytesp, callbacks, closure, transferable);
 }
 
@@ -2028,10 +2022,7 @@ JS_StructuredClone(JSContext* cx, HandleValue value, MutableHandleValue vp,
       return true;
     }
 
-    const JSStructuredCloneCallbacks* callbacks =
-        optionalCallbacks ?
-        optionalCallbacks :
-        cx->runtime()->structuredCloneCallbacks;
+    const JSStructuredCloneCallbacks* callbacks = optionalCallbacks;
 
     JSAutoStructuredCloneBuffer buf;
     {
@@ -2174,12 +2165,6 @@ JSAutoStructuredCloneBuffer::write(JSContext* cx, HandleValue value,
     return ok;
 }
 
-JS_PUBLIC_API(void)
-JS_SetStructuredCloneCallbacks(JSRuntime* rt, const JSStructuredCloneCallbacks* callbacks)
-{
-    rt->structuredCloneCallbacks = callbacks;
-}
-
 JS_PUBLIC_API(bool)
 JS_ReadUint32Pair(JSStructuredCloneReader* r, uint32_t* p1, uint32_t* p2)
 {