Adding status to swap complete

content/common/gpu/client/command_buffer_proxy_impl.h

Index: content/common/gpu/client/command_buffer_proxy_impl.h
diff --git a/content/common/gpu/client/command_buffer_proxy_impl.h b/content/common/gpu/client/command_buffer_proxy_impl.h
index 2da5bbc2727f2bb2262f7b6d84ff4d5708be8ed1..df84a3d1da05c92c07fc1562ea14c7fec3cc099d 100644
--- a/content/common/gpu/client/command_buffer_proxy_impl.h
+++ b/content/common/gpu/client/command_buffer_proxy_impl.h
@@ -136,7 +136,8 @@ class CommandBufferProxyImpl
 
   void SetLatencyInfo(const std::vector<ui::LatencyInfo>& latency_info);
   using SwapBuffersCompletionCallback =
-      base::Callback<void(const std::vector<ui::LatencyInfo>& latency_info)>;
+      base::Callback<void(const std::vector<ui::LatencyInfo>& latency_info,
+                          int result)>;
   void SetSwapBuffersCompletionCallback(
       const SwapBuffersCompletionCallback& callback);
 
@@ -179,7 +180,8 @@ class CommandBufferProxyImpl
   void OnConsoleMessage(const GPUCommandBufferConsoleMessage& message);
   void OnSetMemoryAllocation(const gpu::MemoryAllocation& allocation);
   void OnSignalSyncPointAck(uint32 id);
-  void OnSwapBuffersCompleted(const std::vector<ui::LatencyInfo>& latency_info);
+  void OnSwapBuffersCompleted(const std::vector<ui::LatencyInfo>& latency_info,
+                              int32 result);
   void OnUpdateVSyncParameters(base::TimeTicks timebase,
                                base::TimeDelta interval);