content: Add an overridable task runner to ChildThreadImpl

content/renderer/renderer_main.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 "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/debug/debugger.h"
 #include "base/debug/leak_annotations.h"
 #include "base/debug/stack_trace.h"
 #include "base/i18n/rtl.h"
@@ skipping 10 matching lines @@
 #include "base/timer/hi_res_timer_manager.h"
 #include "base/trace_event/trace_event.h"
 #include "content/child/child_process.h"
 #include "content/common/content_constants_internal.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/main_function_params.h"
 #include "content/public/renderer/content_renderer_client.h"
 #include "content/renderer/render_process_impl.h"
 #include "content/renderer/render_thread_impl.h"
 #include "content/renderer/renderer_main_platform_delegate.h"
+#include "content/renderer/scheduler/renderer_scheduler.h"
 #include "ui/base/ui_base_switches.h"
 
 #if defined(OS_ANDROID)
 #include "base/android/library_loader/library_loader_hooks.h"
 #include "third_party/skia/include/core/SkGraphics.h"
 #endif  // OS_ANDROID
 
 #if defined(OS_MACOSX)
 #include <Carbon/Carbon.h>
 #include <signal.h>
@@ skipping 99 matching lines @@
   scoped_ptr<base::MessagePump> pump(new base::MessagePumpNSRunLoop());
   scoped_ptr<base::MessageLoop> main_message_loop(
       new base::MessageLoop(pump.Pass()));
 #else
   // The main message loop of the renderer services doesn't have IO or UI tasks.
   scoped_ptr<base::MessageLoop> main_message_loop(new base::MessageLoop());
 #endif
   main_message_loop->AddTaskObserver(&task_observer);
 
   base::PlatformThread::SetName("CrRendererMain");
+  scoped_ptr<RendererScheduler> renderer_scheduler =
+      RendererScheduler::Create();
 
   bool no_sandbox = parsed_command_line.HasSwitch(switches::kNoSandbox);
 
   // Initialize histogram statistics gathering system.
   base::StatisticsRecorder::Initialize();
 
 #if defined(OS_ANDROID)
   // If we have a pending chromium android linker histogram, record it.
   base::android::RecordChromiumAndroidLinkerRendererHistogram();
 #endif
@@ skipping 24 matching lines @@
   // zygote_main_linux.cc.  However, calling multiple times from the same thread
   // is OK.
   InitializeWebRtcModule();
 #endif
 
   {
 #if defined(OS_WIN) || defined(OS_MACOSX)
     // TODO(markus): Check if it is OK to unconditionally move this
     // instruction down.
     RenderProcessImpl render_process;
-    new RenderThreadImpl(main_message_loop.Pass());
+    new RenderThreadImpl(main_message_loop.Pass(), renderer_scheduler.Pass());
 #endif
     bool run_loop = true;
     if (!no_sandbox) {
       run_loop = platform.EnableSandbox();
     } else {
       LOG(ERROR) << "Running without renderer sandbox";
 #ifndef NDEBUG
       // For convenience, we print the stack traces for crashes.  When sandbox
       // is enabled, the in-process stack dumping is enabled as part of the
       // EnableSandbox() call.
       base::debug::EnableInProcessStackDumping();
 #endif
     }
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
     RenderProcessImpl render_process;
-    new RenderThreadImpl(main_message_loop.Pass());
+    new RenderThreadImpl(main_message_loop.Pass(), renderer_scheduler.Pass());
 #endif
     base::HighResolutionTimerManager hi_res_timer_manager;
 
     if (run_loop) {
 #if defined(OS_MACOSX)
       if (pool)
         pool->Recycle();
 #endif
       TRACE_EVENT_BEGIN_ETW("RendererMain.START_MSG_LOOP", 0, 0);
       base::MessageLoop::current()->Run();
       TRACE_EVENT_END_ETW("RendererMain.START_MSG_LOOP", 0, 0);
     }
 #if defined(LEAK_SANITIZER)
     // Run leak detection before RenderProcessImpl goes out of scope. This helps
     // ignore shutdown-only leaks.
     __lsan_do_leak_check();
 #endif
   }
   platform.PlatformUninitialize();
   TRACE_EVENT_END_ETW("RendererMain", 0, "");
   return 0;
 }
 
 }  // namespace content