[cc] Plumb BeginFrameAcks through SurfaceManager to DisplayScheduler.

cc/surfaces/surface_manager.h

 // Copyright 2014 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.
 
 #ifndef CC_SURFACES_SURFACE_MANAGER_H_
 #define CC_SURFACES_SURFACE_MANAGER_H_
 
 #include <stdint.h>
 
 #include <list>
@@ skipping 83 matching lines @@
   // Called when the dependencies of a pending CompositorFrame within |surface|
   // has changed.
   void SurfaceDependenciesChanged(
       Surface* surface,
       const base::flat_set<SurfaceId>& added_dependencies,
       const base::flat_set<SurfaceId>& removed_dependencies);
 
   // Called when |surface| is being destroyed.
   void SurfaceDiscarded(Surface* surface);
 
+  // Called when the state of a Surface's CompositorFrame producer has changed.
+  void SurfaceProducerStateChanged(Surface* surface,
+                                   Surface::ProducerState state);
+
   // Require that the given sequence number must be satisfied (using
   // SatisfySequence) before the given surface can be destroyed.
   void RequireSequence(const SurfaceId& surface_id,
                        const SurfaceSequence& sequence);
 
   // Satisfies the given sequence number. Once all sequence numbers that
   // a surface depends on are satisfied, the surface can be destroyed.
   void SatisfySequence(const SurfaceSequence& sequence);
 
   void RegisterFrameSinkId(const FrameSinkId& frame_sink_id);
@@ skipping 177 matching lines @@
   std::unique_ptr<SurfaceDependencyTracker> dependency_tracker_;
 
   base::WeakPtrFactory<SurfaceManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SurfaceManager);
 };
 
 }  // namespace cc
 
 #endif  // CC_SURFACES_SURFACE_MANAGER_H_