| Index: content/browser/renderer_host/render_widget_host_impl.cc
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| diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
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| index 8f0f8db5dbb21339400735436a5e9184b7f52c3b..d7373a5293cf2144087daf1640704657626694c9 100644
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| --- a/content/browser/renderer_host/render_widget_host_impl.cc
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| +++ b/content/browser/renderer_host/render_widget_host_impl.cc
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| @@ -1556,6 +1556,11 @@ void RenderWidgetHostImpl::OnSwapCompositorFrame(
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|    }
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|  }
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|  
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| +void RenderWidgetHostImpl::SwapCompositorFrameAck(
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| +    const cc::CompositorFrameAck& ack) {
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| +  Send(new ViewMsg_SwapCompositorFrameAck(routing_id_, ack));
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| +}
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| +
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|  void RenderWidgetHostImpl::OnUpdateRect(
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|      const ViewHostMsg_UpdateRect_Params& params) {
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|    TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::OnUpdateRect");
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| 
 |