NOT FOR REVIEW: Adding prioritized incoming task queue to renderers

base/message_loop/message_loop.h

Index: base/message_loop/message_loop.h
diff --git a/base/message_loop/message_loop.h b/base/message_loop/message_loop.h
index 4bb7d550bccf53a53c062daea1436208bd6e6b38..41f471abaf6c11efcd2189ee8fa25e9eefbeb172 100644
--- a/base/message_loop/message_loop.h
+++ b/base/message_loop/message_loop.h
@@ -374,6 +374,12 @@ class BASE_EXPORT MessageLoop : public MessagePump::Delegate {
  protected:
   scoped_ptr<MessagePump> pump_;
 
+  // Loads tasks from the incoming queue to |work_queue_| if the latter is
+  // empty.
+  virtual void ReloadWorkQueue();
+
+  virtual TaskQueue& SelectNextWorkQueue();
+
  private:
   friend class internal::IncomingTaskQueue;
   friend class RunLoop;
@@ -407,10 +413,6 @@ class BASE_EXPORT MessageLoop : public MessagePump::Delegate {
   // colliding with MessageLoop pointers on other processes.
   uint64 GetTaskTraceID(const PendingTask& task);
 
-  // Loads tasks from the incoming queue to |work_queue_| if the latter is
-  // empty.
-  void ReloadWorkQueue();
-
   // Wakes up the message pump. Can be called on any thread. The caller is
   // responsible for synchronizing ScheduleWork() calls.
   void ScheduleWork(bool was_empty);