Remove browser-side tracking of accelerated compositing

content/browser/renderer_host/render_widget_host_view_aura.cc

 // 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.
 
 #include "content/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include "base/auto_reset.h"
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 939 matching lines @@
 
 void RenderWidgetHostViewAura::BeginFrameSubscription(
     scoped_ptr<RenderWidgetHostViewFrameSubscriber> subscriber) {
   delegated_frame_host_->BeginFrameSubscription(subscriber.Pass());
 }
 
 void RenderWidgetHostViewAura::EndFrameSubscription() {
   delegated_frame_host_->EndFrameSubscription();
 }
 
-void RenderWidgetHostViewAura::OnAcceleratedCompositingStateChange() {
-}
-
 void RenderWidgetHostViewAura::AcceleratedSurfaceInitialized(int host_id,
                                                              int route_id) {
 }
 
 void RenderWidgetHostViewAura::InternalSetBounds(const gfx::Rect& rect) {
   if (HasDisplayPropertyChanged(window_))
     host_->InvalidateScreenInfo();
 
   // Don't recursively call SetBounds if this bounds update is the result of
   // a Window::SetBoundsInternal call.
@@ skipping 1409 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewBase, public:
 
 // static
 void RenderWidgetHostViewBase::GetDefaultScreenInfo(WebScreenInfo* results) {
   GetScreenInfoForWindow(results, NULL);
 }
 
 }  // namespace content