Introduce ChannelMojo

content/renderer/render_thread_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 277 matching lines @@
     }
 
     frame->BindServiceRegistry(request.PassMessagePipe());
   }
 };
 
 void CreateRenderFrameSetup(mojo::InterfaceRequest<RenderFrameSetup> request) {
   mojo::BindToRequest(new RenderFrameSetupImpl(), &request);
 }
 
+bool ShouldUseMojoChannel() {
+  return CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kEnableRendererMojoChannel);
+}
+
 }  // namespace
 
 // For measuring memory usage after each task. Behind a command line flag.
 class MemoryObserver : public base::MessageLoop::TaskObserver {
  public:
   MemoryObserver() {}
   virtual ~MemoryObserver() {}
 
   virtual void WillProcessTask(const base::PendingTask& pending_task) OVERRIDE {
   }
@@ skipping 48 matching lines @@
     blink::mainThreadIsolate()->SetCreateHistogramFunction(CreateHistogram);
   }
 }
 
 RenderThreadImpl* RenderThreadImpl::current() {
   return lazy_tls.Pointer()->Get();
 }
 
 // When we run plugins in process, we actually run them on the render thread,
 // which means that we need to make the render thread pump UI events.
-RenderThreadImpl::RenderThreadImpl() {
+RenderThreadImpl::RenderThreadImpl()
+    : ChildThread(Options(ShouldUseMojoChannel())) {
   Init();
 }
 
 RenderThreadImpl::RenderThreadImpl(const std::string& channel_name)
-    : ChildThread(channel_name) {
+    : ChildThread(Options(channel_name, ShouldUseMojoChannel())) {
   Init();
 }
 
 void RenderThreadImpl::Init() {
   TRACE_EVENT_BEGIN_ETW("RenderThreadImpl::Init", 0, "");
 
   base::debug::TraceLog::GetInstance()->SetThreadSortIndex(
       base::PlatformThread::CurrentId(),
       kTraceEventRendererMainThreadSortIndex);
 
@@ skipping 1231 matching lines @@
   hidden_widget_count_--;
 
   if (!GetContentClient()->renderer()->RunIdleHandlerWhenWidgetsHidden()) {
     return;
   }
 
   ScheduleIdleHandler(kLongIdleHandlerDelayMs);
 }
 
 }  // namespace content