Split ThreadProxy methods to ProxyMain and ProxyImpl.

cc/trees/threaded_channel.h

Index: cc/trees/threaded_channel.h
diff --git a/cc/trees/threaded_channel.h b/cc/trees/threaded_channel.h
index a3f1fa5ecbe0b9a09b9f31e1d69a43398a0a32bd..aba8d742e9cc9894557af6e1d0c953563b298fc1 100644
--- a/cc/trees/threaded_channel.h
+++ b/cc/trees/threaded_channel.h
@@ -76,9 +76,37 @@ class CC_EXPORT ThreadedChannel : public ChannelMain, public ChannelImpl {
 
   // ChannelMain Implementation
   void SetThrottleFrameProductionOnImpl(bool throttle) override;
+  void InitializeOutputSurfaceOnImpl(OutputSurface* output_surface) override;
+  void MainThreadHasStoppedFlingingOnImpl() override;
+  void SetInputThrottledUntilCommitOnImpl(bool is_throttled) override;
+  void SetDeferCommitsOnImpl(bool defer_commits) override;
+
+  // Blocking calls to ProxyImpl
+  void FinishAllRenderingOnImpl(CompletionEvent* completion) override;
+  void SetVisibleOnImpl(CompletionEvent* completion, bool visible) override;
+  void ReleaseOutputSurfaceOnImpl(CompletionEvent* completion) override;
+  void FinishGLOnImpl(CompletionEvent* completion) override;
+  void MainFrameWillHappenOnImplForTesting(
+      CompletionEvent* completion,
+      bool* main_frame_will_happen) override;
 
   // ChannelImpl Implementation
   void DidCompleteSwapBuffers() override;
+  void SetRendererCapabilitiesMainCopy(
+      const RendererCapabilities& capabilities) override;
+  void BeginMainFrameNotExpectedSoon() override;
+  void DidCommitAndDrawFrame() override;
+  void SetAnimationEvents(scoped_ptr<AnimationEventsVector> queue) override;
+  void DidLoseOutputSurface() override;
+  void RequestNewOutputSurface() override;
+  void DidInitializeOutputSurface(
+      bool success,
+      const RendererCapabilities& capabilities) override;
+  void DidCompletePageScaleAnimation() override;
+  void PostFrameTimingEventsOnMain(
+      scoped_ptr<FrameTimingTracker::CompositeTimingSet> composite_events,
+      scoped_ptr<FrameTimingTracker::MainFrameTimingSet> main_frame_events)
+      override;
 
  protected:
   ThreadedChannel(ThreadProxy* thread_proxy,