Adding status to swap complete

content/browser/compositor/gpu_browser_compositor_output_surface.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_COMPOSITOR_GPU_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
 #define CONTENT_BROWSER_COMPOSITOR_GPU_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
 
 #include "base/cancelable_callback.h"
 #include "content/browser/compositor/browser_compositor_output_surface.h"
 
@@ skipping 25 matching lines @@
   bool BindToClient(cc::OutputSurfaceClient* client) override;
 
 #if defined(OS_MACOSX)
   void OnSurfaceDisplayed() override;
   void OnSurfaceRecycled() override;
   bool ShouldNotShowFramesAfterRecycle() const override;
   bool should_not_show_frames_;
 #endif
 
   CommandBufferProxyImpl* GetCommandBufferProxy();
-  void OnSwapBuffersCompleted(const std::vector<ui::LatencyInfo>& latency_info);
+  virtual void OnSwapBuffersCompleted(
+      const std::vector<ui::LatencyInfo>& latency_info,
+      int result);
 
-  base::CancelableCallback<void(const std::vector<ui::LatencyInfo>&)>
+  base::CancelableCallback<void(const std::vector<ui::LatencyInfo>&, int)>
       swap_buffers_completion_callback_;
   base::CancelableCallback<void(base::TimeTicks timebase,
                                 base::TimeDelta interval)>
       update_vsync_parameters_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuBrowserCompositorOutputSurface);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_COMPOSITOR_GPU_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_