Remove browser-side tracking of accelerated compositing

content/browser/renderer_host/render_widget_host_view_mac.h

 // Copyright (c) 2012 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 CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 
 #import <Cocoa/Cocoa.h>
 #include <list>
 #include <map>
@@ skipping 294 matching lines @@
       const gfx::Rect& src_subrect,
       const scoped_refptr<media::VideoFrame>& target,
       const base::Callback<void(bool)>& callback) OVERRIDE;
   virtual bool CanCopyToVideoFrame() const OVERRIDE;
   virtual bool CanSubscribeFrame() const OVERRIDE;
   virtual void BeginFrameSubscription(
       scoped_ptr<RenderWidgetHostViewFrameSubscriber> subscriber) OVERRIDE;
   virtual void EndFrameSubscription() OVERRIDE;
   virtual void OnSwapCompositorFrame(
       uint32 output_surface_id, scoped_ptr<cc::CompositorFrame> frame) OVERRIDE;
-  virtual void OnAcceleratedCompositingStateChange() OVERRIDE;
   virtual void AcceleratedSurfaceInitialized(int host_id,
                                              int route_id) OVERRIDE;
   virtual void CreateBrowserAccessibilityManagerIfNeeded() OVERRIDE;
   virtual gfx::Point AccessibilityOriginInScreen(const gfx::Rect& bounds)
       OVERRIDE;
   virtual void OnAccessibilitySetFocus(int acc_obj_id) OVERRIDE;
   virtual void AccessibilityShowMenu(int acc_obj_id) OVERRIDE;
   virtual bool PostProcessEventForPluginIme(
       const NativeWebKeyboardEvent& event) OVERRIDE;
 
@@ skipping 343 matching lines @@
   scoped_ptr<RenderWidgetHostViewFrameSubscriber> frame_subscriber_;
 
   base::WeakPtrFactory<RenderWidgetHostViewMac>
       software_frame_weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewMac);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_