Bug 1633379 - Part 1: Move PInProcess into dom/ipc, r=kmag,Yoric

This moves it near the cross-process `PContent` actor, and makes it more clear
that this actor is only intended to be used for DOM things.

Differential Revision: https://phabricator.services.mozilla.com/D80581

dom/ipc/ContentChild.cpp

@@ -50,6 +50,7 @@
 #include "mozilla/dom/DocGroup.h"
 #include "mozilla/dom/ExternalHelperAppChild.h"
 #include "mozilla/dom/GetFilesHelper.h"
+#include "mozilla/dom/InProcessChild.h"
 #include "mozilla/dom/IPCBlobInputStreamChild.h"
 #include "mozilla/dom/IPCBlobUtils.h"
 #include "mozilla/dom/JSActorService.h"
@@ -78,7 +79,6 @@
 #include "mozilla/ipc/FileDescriptorSetChild.h"
 #include "mozilla/ipc/FileDescriptorUtils.h"
 #include "mozilla/ipc/GeckoChildProcessHost.h"
-#include "mozilla/ipc/InProcessChild.h"
 #include "mozilla/ipc/LibrarySandboxPreload.h"
 #include "mozilla/ipc/ProcessChild.h"
 #include "mozilla/ipc/PChildToParentStreamChild.h"

dom/ipc/InProcessChild.h

@@ -4,20 +4,16 @@
  * 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_ipc_InProcessChild_h
-#define mozilla_ipc_InProcessChild_h
+#ifndef mozilla_dom_InProcessChild_h
+#define mozilla_dom_InProcessChild_h
 
-#include "mozilla/ipc/PInProcessChild.h"
+#include "mozilla/dom/PInProcessChild.h"
 #include "mozilla/StaticPtr.h"
 
 namespace mozilla {
 namespace dom {
 class PWindowGlobalParent;
 class PWindowGlobalChild;
-}  // namespace dom
-
-namespace ipc {
-
 class InProcessParent;
 
 /**
@@ -52,7 +48,7 @@ class InProcessChild final : public PInProcessChild {
   static StaticRefPtr<InProcessChild> sSingleton;
 };
 
-}  // namespace ipc
+}  // namespace dom
 }  // namespace mozilla
 
-#endif  // defined(mozilla_ipc_InProcessChild_h)
+#endif  // defined(mozilla_dom_InProcessChild_h)

dom/ipc/InProcessImpl.cpp

@@ -4,16 +4,18 @@
  * 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 "mozilla/ipc/InProcessParent.h"
-#include "mozilla/ipc/InProcessChild.h"
+#include "mozilla/dom/InProcessParent.h"
+#include "mozilla/dom/InProcessChild.h"
 #include "nsIObserverService.h"
 #include "mozilla/Services.h"
 
+using namespace mozilla::ipc;
+
 // This file contains the implementation of core InProcess lifecycle management
 // facilities.
 
 namespace mozilla {
-namespace ipc {
+namespace dom {
 
 StaticRefPtr<InProcessParent> InProcessParent::sSingleton;
 StaticRefPtr<InProcessChild> InProcessChild::sSingleton;
@@ -179,5 +181,5 @@ IProtocol* InProcessChild::ParentActorFor(IProtocol* aActor) {
 
 NS_IMPL_ISUPPORTS(InProcessParent, nsIObserver)
 
-}  // namespace ipc
+}  // namespace dom
 }  // namespace mozilla

dom/ipc/InProcessParent.h

@@ -4,20 +4,16 @@
  * 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_ipc_InProcessParent_h
-#define mozilla_ipc_InProcessParent_h
+#ifndef mozilla_dom_InProcessParent_h
+#define mozilla_dom_InProcessParent_h
 
-#include "mozilla/ipc/PInProcessParent.h"
+#include "mozilla/dom/PInProcessParent.h"
 #include "mozilla/StaticPtr.h"
 
 namespace mozilla {
 namespace dom {
 class PWindowGlobalParent;
 class PWindowGlobalChild;
-}  // namespace dom
-
-namespace ipc {
-
 class InProcessChild;
 
 /**
@@ -56,7 +52,7 @@ class InProcessParent final : public nsIObserver, public PInProcessParent {
   static bool sShutdown;
 };
 
-}  // namespace ipc
+}  // namespace dom
 }  // namespace mozilla
 
-#endif  // defined(mozilla_ipc_InProcessParent_h)
+#endif  // defined(mozilla_dom_InProcessParent_h)

dom/ipc/JSProcessActorChild.cpp

@@ -6,7 +6,7 @@
 
 #include "mozilla/dom/JSProcessActorBinding.h"
 #include "mozilla/dom/JSProcessActorChild.h"
-#include "mozilla/ipc/InProcessChild.h"
+#include "mozilla/dom/InProcessChild.h"
 
 namespace mozilla {
 namespace dom {

dom/ipc/PInProcess.ipdl

@@ -9,14 +9,14 @@ include protocol PWindowGlobal;
 include DOMTypes;
 
 namespace mozilla {
-namespace ipc {
+namespace dom {
 
 /**
  * PInProcess is intended for use as an alternative actor manager to PContent
  * for async actors which want to be used uniformly in both Content->Chrome and
  * Chrome->Chrome circumstances.
  *
- * `mozilla::ipc::InProcess{Parent, Child}::Singleton()` should be used to get
+ * `mozilla::dom::InProcess{Parent, Child}::Singleton()` should be used to get
  * an instance of this actor.
  */
 async refcounted protocol PInProcess
@@ -24,5 +24,5 @@ async refcounted protocol PInProcess
   manages PWindowGlobal;
 };
 
-} // namespace ipc
+} // namespace dom
 } // namespace mozilla

dom/ipc/PropertyBagUtils.cpp

@@ -16,6 +16,7 @@
 #include "nsVariant.h"
 
 using namespace IPC;
+using namespace mozilla::dom;
 
 namespace mozilla {
 namespace ipc {

dom/ipc/WindowGlobalChild.cpp

@@ -20,8 +20,8 @@
 #include "mozilla/dom/WindowGlobalActorsBinding.h"
 #include "mozilla/dom/WindowGlobalParent.h"
 #include "mozilla/dom/WindowContext.h"
-#include "mozilla/ipc/InProcessChild.h"
-#include "mozilla/ipc/InProcessParent.h"
+#include "mozilla/dom/InProcessChild.h"
+#include "mozilla/dom/InProcessParent.h"
 #include "nsContentUtils.h"
 #include "nsDocShell.h"
 #include "nsFocusManager.h"

dom/ipc/WindowGlobalParent.cpp

@@ -10,7 +10,7 @@
 
 #include "mozilla/AsyncEventDispatcher.h"
 #include "mozilla/ClearOnShutdown.h"
-#include "mozilla/ipc/InProcessParent.h"
+#include "mozilla/dom/InProcessParent.h"
 #include "mozilla/dom/BrowserBridgeParent.h"
 #include "mozilla/dom/CanonicalBrowsingContext.h"
 #include "mozilla/dom/ClientInfo.h"

dom/ipc/moz.build

@@ -48,6 +48,8 @@ EXPORTS.mozilla.dom += [
     'DocShellMessageUtils.h',
     'EffectsInfo.h',
     'FilePickerParent.h',
+    'InProcessChild.h',
+    'InProcessParent.h',
     'JSActor.h',
     'JSActorService.h',
     'JSProcessActorChild.h',
@@ -105,6 +107,7 @@ UNIFIED_SOURCES += [
     'CSPMessageUtils.cpp',
     'DocShellMessageUtils.cpp',
     'FilePickerParent.cpp',
+    'InProcessImpl.cpp',
     'JSActor.cpp',
     'JSActorService.cpp',
     'JSProcessActorChild.cpp',
@@ -158,6 +161,7 @@ IPDL_SOURCES += [
     'PContentPermissionRequest.ipdl',
     'PCycleCollectWithLogs.ipdl',
     'PFilePicker.ipdl',
+    'PInProcess.ipdl',
     'PLoginReputation.ipdl',
     'PPluginWidget.ipdl',
     'PProcessHangMonitor.ipdl',

ipc/glue/IPDLParamTraits.h

@@ -10,6 +10,8 @@
 #include "chrome/common/ipc_message_utils.h"
 #include "mozilla/UniquePtr.h"
 #include "mozilla/Variant.h"
+#include "mozilla/Tuple.h"
+#include "nsTArray.h"
 
 #include <type_traits>
 

ipc/glue/moz.build

@@ -29,8 +29,6 @@ EXPORTS.mozilla.ipc += [
     'GeckoChildProcessHost.h',
     'IdleSchedulerChild.h',
     'IdleSchedulerParent.h',
-    'InProcessChild.h',
-    'InProcessParent.h',
     'InputStreamUtils.h',
     'IOThreadChild.h',
     'IPCStreamAlloc.h',
@@ -155,7 +153,6 @@ UNIFIED_SOURCES += [
     'FileDescriptorUtils.cpp',
     'IdleSchedulerChild.cpp',
     'IdleSchedulerParent.cpp',
-    'InProcessImpl.cpp',
     'InputStreamUtils.cpp',
     'IPCMessageUtils.cpp',
     'IPCStreamChild.cpp',
@@ -216,7 +213,6 @@ IPDL_SOURCES = [
     'PChildToParentStream.ipdl',
     'PFileDescriptorSet.ipdl',
     'PIdleScheduler.ipdl',
-    'PInProcess.ipdl',
     'PParentToChildStream.ipdl',
     'ProtocolTypes.ipdlh',
     'URIParams.ipdlh',