[cc] Plumb BeginFrameAcks through SurfaceManager to DisplayScheduler.

cc/surfaces/compositor_frame_sink_support.h

 // Copyright 2016 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_COMPOSITOR_FRAME_SINK_SUPPORT_H_
 #define CC_SURFACES_COMPOSITOR_FRAME_SINK_SUPPORT_H_
 
 #include <memory>
 #include <unordered_set>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/scheduler/begin_frame_source.h"
+#include "cc/surfaces/frame_sink_manager.h"
 #include "cc/surfaces/frame_sink_manager_client.h"
 #include "cc/surfaces/referenced_surface_tracker.h"
+#include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_id.h"
 #include "cc/surfaces/surface_resource_holder.h"
 #include "cc/surfaces/surface_resource_holder_client.h"
 #include "cc/surfaces/surfaces_export.h"
 
 namespace cc {
 
 class CompositorFrameSinkSupportClient;
-class Surface;
 class SurfaceManager;
 
 class CC_SURFACES_EXPORT CompositorFrameSinkSupport
     : public BeginFrameObserver,
       public SurfaceResourceHolderClient,
       public FrameSinkManagerClient {
  public:
   static std::unique_ptr<CompositorFrameSinkSupport> Create(
       CompositorFrameSinkSupportClient* client,
       SurfaceManager* surface_manager,
@@ skipping 60 matching lines @@
 
   void DidReceiveCompositorFrameAck();
   void WillDrawSurface(const LocalSurfaceId& local_surface_id,
                        const gfx::Rect& damage_rect);
 
   // BeginFrameObserver implementation.
   void OnBeginFrame(const BeginFrameArgs& args) override;
   const BeginFrameArgs& LastUsedBeginFrameArgs() const override;
   void OnBeginFrameSourcePausedChanged(bool paused) override;
 
+  void SetProducerState(Surface::ProducerState state);
   void UpdateNeedsBeginFramesInternal();
   std::unique_ptr<Surface> CreateSurface(
       const LocalSurfaceId& local_surface_id);
   void DestroyCurrentSurface();
 
   CompositorFrameSinkSupportClient* const client_;
 
   SurfaceManager* surface_manager_ = nullptr;
 
   const FrameSinkId frame_sink_id_;
 
   SurfaceResourceHolder surface_resource_holder_;
 
   std::unique_ptr<Surface> current_surface_;
   // Counts the number of CompositorFrames that have been submitted and have not
   // yet received an ACK.
   int ack_pending_count_ = 0;
   ReturnedResourceArray surface_returned_resources_;
 
   // The begin frame source being observered. Null if none.
   BeginFrameSource* begin_frame_source_ = nullptr;
 
   // The last begin frame args generated by the begin frame source.
   BeginFrameArgs last_begin_frame_args_;
 
+  // The last BeginFrameAck sent by the client.
+  BeginFrameAck last_begin_frame_ack_;
+
+  // Our current CompositorFrame producer state. This is also propagated to the
+  // current_surface_, if it exists.
+  Surface::ProducerState producer_state_ = Surface::IDLE;
+
   // Whether a request for begin frames has been issued.
   bool needs_begin_frame_ = false;
 
   // Whether or not a frame observer has been added.
   bool added_frame_observer_ = false;
 
   // Track the surface references for the surface corresponding to this
   // compositor frame sink.
   ReferencedSurfaceTracker reference_tracker_;
 
@@ skipping 14 matching lines @@
   const bool handles_frame_sink_id_invalidation_;
 
   base::WeakPtrFactory<CompositorFrameSinkSupport> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CompositorFrameSinkSupport);
 };
 
 }  // namespace cc
 
 #endif  // CC_SURFACES_COMPOSITOR_FRAME_SINK_SUPPORT_H_