Split ThreadProxy methods to ProxyMain and ProxyImpl.

cc/trees/channel_impl.h

Index: cc/trees/channel_impl.h
diff --git a/cc/trees/channel_impl.h b/cc/trees/channel_impl.h
index dcaf41687afa0a1e56a8de9f519c02b9e5eb9186..de0beb1d27111527984ba1fa387a4f8031f9af49 100644
--- a/cc/trees/channel_impl.h
+++ b/cc/trees/channel_impl.h
@@ -6,6 +6,9 @@
 #define CC_TREES_CHANNEL_IMPL_H_
 
 #include "cc/base/cc_export.h"
+#include "cc/animation/animation_events.h"
+#include "cc/debug/frame_timing_tracker.h"
+#include "cc/output/renderer_capabilities.h"
 
 namespace cc {
 
@@ -17,6 +20,20 @@ class CC_EXPORT ChannelImpl {
  public:
   // Interface for commands sent to ProxyMain
   virtual void DidCompleteSwapBuffers() = 0;
+  virtual void SetRendererCapabilitiesMainCopy(
+      const RendererCapabilities& capabilities) = 0;
+  virtual void BeginMainFrameNotExpectedSoon() = 0;
+  virtual void DidCommitAndDrawFrame() = 0;
+  virtual void SetAnimationEvents(scoped_ptr<AnimationEventsVector> queue) = 0;
+  virtual void DidLoseOutputSurface() = 0;
+  virtual void RequestNewOutputSurface() = 0;
+  virtual void DidInitializeOutputSurface(
+      bool success,
+      const RendererCapabilities& capabilities) = 0;
+  virtual void DidCompletePageScaleAnimation() = 0;
+  virtual void PostFrameTimingEventsToMain(
+      scoped_ptr<FrameTimingTracker::CompositeTimingSet> composite_events,
+      scoped_ptr<FrameTimingTracker::MainFrameTimingSet> main_frame_events) = 0;
 
  protected:
   virtual ~ChannelImpl() {}