| Index: ui/compositor/compositor.h | 
| diff --git a/ui/compositor/compositor.h b/ui/compositor/compositor.h | 
| index 0ba4aea166affba82e222e77c3d375e740987821..544a58481a93aed581e03d1f1a8c759ba5200093 100644 | 
| --- a/ui/compositor/compositor.h | 
| +++ b/ui/compositor/compositor.h | 
| @@ -5,7 +5,6 @@ | 
| #ifndef UI_COMPOSITOR_COMPOSITOR_H_ | 
| #define UI_COMPOSITOR_COMPOSITOR_H_ | 
|  | 
| -#include <list> | 
| #include <string> | 
|  | 
| #include "base/containers/hash_tables.h" | 
| @@ -344,7 +343,8 @@ class COMPOSITOR_EXPORT Compositor | 
|  | 
| base::ObserverList<CompositorObserver, true> observer_list_; | 
| base::ObserverList<CompositorAnimationObserver> animation_observer_list_; | 
| -  std::list<CompositorBeginFrameObserver*> begin_frame_observer_list_; | 
| +  base::ObserverList<CompositorBeginFrameObserver, true> | 
| +      begin_frame_observer_list_; | 
|  | 
| gfx::AcceleratedWidget widget_; | 
| bool widget_valid_; | 
|  |