| Index: content/renderer/render_widget.cc
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| diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
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| index 0541afe311f539e07552d9055e37bbf46ad7af5e..7b2f48a79374a43eac861a774551293f251a451c 100644
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| --- a/content/renderer/render_widget.cc
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| +++ b/content/renderer/render_widget.cc
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| @@ -922,10 +922,12 @@ void RenderWidget::didActivateAcceleratedCompositing(bool active) {
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|    Send(new ViewHostMsg_DidActivateAcceleratedCompositing(
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|        routing_id_, is_accelerated_compositing_active_));
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|  
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| +#ifndef WTF_USE_THREADED_COMPOSITING
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|    if (active)
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|      using_asynchronous_swapbuffers_ = SupportsAsynchronousSwapBuffers();
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|    else if (using_asynchronous_swapbuffers_)
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|      using_asynchronous_swapbuffers_ = false;
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| +#endif
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|  }
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|  
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|  void RenderWidget::scheduleComposite() {
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| 
 |