| Index: ui/aura/mus/window_compositor_frame_sink.cc
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| diff --git a/ui/aura/mus/window_compositor_frame_sink.cc b/ui/aura/mus/window_compositor_frame_sink.cc
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| index 21f623a25be7f89c4d4c65fd0a8bc3a26693a5b9..7d252b89d69e1edbe206a486c1f95342d9988f0a 100644
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| --- a/ui/aura/mus/window_compositor_frame_sink.cc
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| +++ b/ui/aura/mus/window_compositor_frame_sink.cc
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| @@ -113,7 +113,6 @@ void WindowCompositorFrameSink::ReclaimResources(
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|  
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|  void WindowCompositorFrameSink::WillDrawSurface() {
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|    // TODO(fsamuel, staraz): Implement this.
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| -  NOTIMPLEMENTED();
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|  }
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|  
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|  void WindowCompositorFrameSink::OnNeedsBeginFrames(bool needs_begin_frames) {
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| 
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