| Index: components/mus/ws/server_window_surface.h
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| diff --git a/components/mus/ws/server_window_surface.h b/components/mus/ws/server_window_surface.h
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| index fb70263df216c06a37cea493c0cb68048ebb23fd..bdf24a137bafb2495005602126b5cd773052a1b1 100644
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| --- a/components/mus/ws/server_window_surface.h
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| +++ b/components/mus/ws/server_window_surface.h
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| @@ -65,6 +65,8 @@ class ServerWindowSurface : public mojom::Surface,
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|  
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|    // SurfaceFactoryClient implementation.
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|    void ReturnResources(const cc::ReturnedResourceArray& resources) override;
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| +  void SetBeginFrameSource(cc::SurfaceId surface_id,
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| +                           cc::BeginFrameSource* begin_frame_source) override;
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|  
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|    // |window_| owns |this|.
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|    ServerWindow* const window_;
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| 
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