NOT FOR REVIEW: Adding prioritized incoming task queue to renderers

content/renderer/renderer_main.cc

Index: content/renderer/renderer_main.cc
diff --git a/content/renderer/renderer_main.cc b/content/renderer/renderer_main.cc
index bc538fd6513965500552334c317e339fcd6de575..d3789c2591f5d07e0cc8cdb516609156221e65aa 100644
--- a/content/renderer/renderer_main.cc
+++ b/content/renderer/renderer_main.cc
@@ -9,7 +9,6 @@
 #include "base/debug/trace_event.h"
 #include "base/i18n/rtl.h"
 #include "base/memory/ref_counted.h"
-#include "base/message_loop/message_loop.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/statistics_recorder.h"
@@ -31,6 +30,7 @@
 #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/renderer_message_loop.h"
 #include "ui/base/ui_base_switches.h"
 
 #if defined(OS_ANDROID)
@@ -163,10 +163,10 @@ int RendererMain(const MainFunctionParams& parameters) {
   // needs to be backed by a Foundation-level loop to process NSTimers. See
   // http://crbug.com/306348#c24 for details.
   scoped_ptr<base::MessagePump> pump(new base::MessagePumpNSRunLoop());
-  base::MessageLoop main_message_loop(pump.Pass());
+  RendererMessageLoop main_message_loop(pump.Pass());
 #else
   // The main message loop of the renderer services doesn't have IO or UI tasks.
-  base::MessageLoop main_message_loop;
+  RendererMessageLoop main_message_loop;
 #endif
   main_message_loop.AddTaskObserver(&task_observer);
 
@@ -237,6 +237,8 @@ int RendererMain(const MainFunctionParams& parameters) {
     new RenderThreadImpl();
 #endif
 
+    main_message_loop.EnableHighPriorityIncomingTaskQueue();
+
     base::HighResolutionTimerManager hi_res_timer_manager;
 
     platform.RunSandboxTests(no_sandbox);