Remove renderer-side tracking of accelerated compositing

content/browser/renderer_host/render_widget_host_impl.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_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 
 #include <deque>
 #include <list>
 #include <map>
@@ skipping 633 matching lines @@
   void OnSetTouchEventEmulationEnabled(bool enabled, bool allow_pinch);
   void OnTextInputTypeChanged(ui::TextInputType type,
                               ui::TextInputMode input_mode,
                               bool can_compose_inline);
 #if defined(OS_MACOSX) || defined(USE_AURA)
   void OnImeCompositionRangeChanged(
       const gfx::Range& range,
       const std::vector<gfx::Rect>& character_bounds);
 #endif
   void OnImeCancelComposition();
-  void OnDidActivateAcceleratedCompositing(bool activated);
   void OnLockMouse(bool user_gesture,
                    bool last_unlocked_by_target,
                    bool privileged);
   void OnUnlockMouse();
   void OnShowDisambiguationPopup(const gfx::Rect& rect,
                                  const gfx::Size& size,
                                  const cc::SharedBitmapId& id);
 #if defined(OS_WIN)
   void OnWindowlessPluginDummyWindowCreated(
       gfx::NativeViewId dummy_activation_window);
@@ skipping 220 matching lines @@
 #endif
 
   int64 last_input_number_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_