cc: Remove OutputSurfaceClient::DidSwapBuffers().

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 <stddef.h>
 
 #include <bitset>
@@ skipping 84 matching lines @@
 
 // LayerTreeHost->Proxy callback interface.
 class LayerTreeHostImplClient {
  public:
   virtual void UpdateRendererCapabilitiesOnImplThread() = 0;
   virtual void DidLoseOutputSurfaceOnImplThread() = 0;
   virtual void CommitVSyncParameters(base::TimeTicks timebase,
                                      base::TimeDelta interval) = 0;
   virtual void SetBeginFrameSource(BeginFrameSource* source) = 0;
   virtual void SetEstimatedParentDrawTime(base::TimeDelta draw_time) = 0;
-  virtual void DidSwapBuffersOnImplThread() = 0;
   virtual void DidSwapBuffersCompleteOnImplThread() = 0;
   virtual void OnCanDrawStateChanged(bool can_draw) = 0;
   virtual void NotifyReadyToActivate() = 0;
   virtual void NotifyReadyToDraw() = 0;
   // Please call these 3 functions through
   // LayerTreeHostImpl's SetNeedsRedraw(), SetNeedsRedrawRect() and
   // SetNeedsOneBeginImplFrame().
   virtual void SetNeedsRedrawOnImplThread() = 0;
   virtual void SetNeedsRedrawRectOnImplThread(const gfx::Rect& damage_rect) = 0;
   virtual void SetNeedsOneBeginImplFrameOnImplThread() = 0;
@@ skipping 244 matching lines @@
 
   // OutputSurfaceClient implementation.
   void CommitVSyncParameters(base::TimeTicks timebase,
                              base::TimeDelta interval) override;
   void SetBeginFrameSource(BeginFrameSource* source) override;
   void SetNeedsRedrawRect(const gfx::Rect& rect) override;
   void SetExternalTilePriorityConstraints(
       const gfx::Rect& viewport_rect,
       const gfx::Transform& transform) override;
   void DidLoseOutputSurface() override;
-  void DidSwapBuffers() override;
   void DidSwapBuffersComplete() override;
   void DidReceiveTextureInUseResponses(
       const gpu::TextureInUseResponses& responses) override;
   void ReclaimResources(const CompositorFrameAck* ack) override;
   void SetMemoryPolicy(const ManagedMemoryPolicy& policy) override;
   void SetTreeActivationCallback(const base::Closure& callback) override;
   void OnDraw(const gfx::Transform& transform,
               const gfx::Rect& viewport,
               const gfx::Rect& clip,
               bool resourceless_software_draw) override;
@@ skipping 470 matching lines @@
 
   std::unique_ptr<PendingTreeDurationHistogramTimer>
       pending_tree_duration_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_IMPL_H_