| Index: content/renderer/gpu/compositor_external_begin_frame_source.cc | 
| diff --git a/content/renderer/gpu/compositor_external_begin_frame_source.cc b/content/renderer/gpu/compositor_external_begin_frame_source.cc | 
| index 781c9d78b42eb7071278076fa6af9f41d99e51c8..421415e42b882d9e59c6e50560dde28591d9dc17 100644 | 
| --- a/content/renderer/gpu/compositor_external_begin_frame_source.cc | 
| +++ b/content/renderer/gpu/compositor_external_begin_frame_source.cc | 
| @@ -56,9 +56,8 @@ void CompositorExternalBeginFrameSource::RemoveObserver( | 
| } | 
|  | 
| void CompositorExternalBeginFrameSource::DidFinishFrame( | 
| -    cc::BeginFrameObserver* obs, | 
| -    const cc::BeginFrameAck& ack) { | 
| -  external_begin_frame_source_.DidFinishFrame(obs, ack); | 
| +    cc::BeginFrameObserver* obs) { | 
| +  external_begin_frame_source_.DidFinishFrame(obs); | 
| } | 
|  | 
| bool CompositorExternalBeginFrameSource::IsThrottled() const { | 
|  |