| Index: content/common/gpu/gpu_messages.h
 | 
| diff --git a/content/common/gpu/gpu_messages.h b/content/common/gpu/gpu_messages.h
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| index d76491aa20e8179d37fd66e494bba6ba34026599..d921b3bcdd34a54b5f84017c1bd6233f13bf99c1 100644
 | 
| --- a/content/common/gpu/gpu_messages.h
 | 
| +++ b/content/common/gpu/gpu_messages.h
 | 
| @@ -445,6 +445,11 @@ IPC_MESSAGE_ROUTED0(GpuCommandBufferMsg_EnsureBackbuffer)
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|  IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetMemoryAllocation,
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|                      GpuMemoryAllocationForRenderer /* allocation */)
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|  
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| +// Sent to stub when proxy is assigned a memory allocation changed callback.
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| +IPC_MESSAGE_ROUTED1(
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| +    GpuCommandBufferMsg_SetClientHasMemoryAllocationChangedCallback,
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| +    bool /* has_callback */)
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| +
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|  //------------------------------------------------------------------------------
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|  // Accelerated Video Decoder Messages
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|  // These messages are sent from Renderer process to GPU process.
 | 
| 
 |