cc: Make separate interface for BeginFrame ipc from OutputSurface

cc/trees/layer_tree_host_impl.h

 // Copyright 2011 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_TREES_LAYER_TREE_HOST_IMPL_H_
 #define CC_TREES_LAYER_TREE_HOST_IMPL_H_
 
 #include <list>
 #include <set>
 #include <string>
@@ skipping 13 matching lines @@
 #include "cc/input/top_controls_manager_client.h"
 #include "cc/layers/layer_lists.h"
 #include "cc/layers/render_pass_sink.h"
 #include "cc/output/begin_frame_args.h"
 #include "cc/output/managed_memory_policy.h"
 #include "cc/output/output_surface_client.h"
 #include "cc/output/renderer.h"
 #include "cc/quads/render_pass.h"
 #include "cc/resources/resource_provider.h"
 #include "cc/resources/tile_manager.h"
-#include "cc/scheduler/begin_frame_source.h"
 #include "cc/scheduler/draw_result.h"
 #include "skia/ext/refptr.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/geometry/rect.h"
 
 namespace cc {
 
 class CompletionEvent;
 class CompositorFrameMetadata;
 class DebugRectHistory;
@@ skipping 59 matching lines @@
 
 // LayerTreeHostImpl owns the LayerImpl trees as well as associated rendering
 // state.
 class CC_EXPORT LayerTreeHostImpl
     : public InputHandler,
       public RendererClient,
       public TileManagerClient,
       public OutputSurfaceClient,
       public TopControlsManagerClient,
       public ScrollbarAnimationControllerClient,
-      public BeginFrameSourceMixIn,
       public base::SupportsWeakPtr<LayerTreeHostImpl> {
  public:
   static scoped_ptr<LayerTreeHostImpl> Create(
       const LayerTreeSettings& settings,
       LayerTreeHostImplClient* client,
       Proxy* proxy,
       RenderingStatsInstrumentation* rendering_stats_instrumentation,
       SharedBitmapManager* shared_bitmap_manager,
       gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
       int id);
   ~LayerTreeHostImpl() override;
 
-  // BeginFrameSourceMixIn implementation
-  void OnNeedsBeginFramesChange(bool needs_begin_frames) override;
-
   // InputHandler implementation
   void BindToClient(InputHandlerClient* client) override;
   InputHandler::ScrollStatus ScrollBegin(
       const gfx::Point& viewport_point,
       InputHandler::ScrollInputType type) override;
   InputHandler::ScrollStatus ScrollAnimated(
       const gfx::Point& viewport_point,
       const gfx::Vector2dF& scroll_delta) override;
   InputHandlerScrollResult ScrollBy(
       const gfx::Point& viewport_point,
@@ skipping 103 matching lines @@
   void PostDelayedScrollbarFade(const base::Closure& start_fade,
                                 base::TimeDelta delay) override;
   void SetNeedsScrollbarAnimationFrame() override;
 
   // OutputSurfaceClient implementation.
   void DeferredInitialize() override;
   void ReleaseGL() override;
   void CommitVSyncParameters(base::TimeTicks timebase,
                              base::TimeDelta interval) override;
   void SetNeedsRedrawRect(const gfx::Rect& rect) override;
-  void BeginFrame(const BeginFrameArgs& args) override;
-
   void SetExternalDrawConstraints(
       const gfx::Transform& transform,
       const gfx::Rect& viewport,
       const gfx::Rect& clip,
       const gfx::Rect& viewport_rect_for_tile_priority,
       const gfx::Transform& transform_for_tile_priority,
       bool resourceless_software_draw) override;
   void DidLoseOutputSurface() override;
   void DidSwapBuffers() override;
   void DidSwapBuffersComplete() override;
@@ skipping 153 matching lines @@
 
   void UpdateCurrentBeginFrameArgs(const BeginFrameArgs& args);
   void ResetCurrentBeginFrameArgsForNextFrame();
   virtual BeginFrameArgs CurrentBeginFrameArgs() const;
 
   // Expected time between two begin impl frame calls.
   base::TimeDelta begin_impl_frame_interval() const {
     return begin_impl_frame_interval_;
   }
 
-  void AsValueInto(base::debug::TracedValue* value) const override;
+  void AsValueInto(base::debug::TracedValue* value) const;
   void AsValueWithFrameInto(FrameData* frame,
                             base::debug::TracedValue* value) const;
   scoped_refptr<base::debug::ConvertableToTraceFormat> AsValue() const;
   scoped_refptr<base::debug::ConvertableToTraceFormat> AsValueWithFrame(
       FrameData* frame) const;
   scoped_refptr<base::debug::ConvertableToTraceFormat> ActivationStateAsValue()
       const;
   void ActivationStateAsValueInto(base::debug::TracedValue* value) const;
 
   bool page_scale_animation_active() const { return !!page_scale_animation_; }
@@ skipping 274 matching lines @@
   std::vector<PictureLayerImpl::Pair> picture_layer_pairs_;
 
   bool requires_high_res_to_draw_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_IMPL_H_