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