cc: Force commit on the frame after a copy request

content/browser/compositor/delegated_frame_host.h

Index: content/browser/compositor/delegated_frame_host.h
diff --git a/content/browser/compositor/delegated_frame_host.h b/content/browser/compositor/delegated_frame_host.h
index e832cc7a9539585e7a413d983fa15b136e86e15a..1bb90dcd17a157e287662cbd36ada6c2e16e077f 100644
--- a/content/browser/compositor/delegated_frame_host.h
+++ b/content/browser/compositor/delegated_frame_host.h
@@ -290,6 +290,13 @@ class CONTENT_EXPORT DelegatedFrameHost
   bool skipped_frames_;
   std::vector<ui::LatencyInfo> skipped_latency_info_list_;
 
+  // Workaround to prevent creating unnecessarily persistent render passes.
+  // When a copy request is made, it will force a separate render pass for the
+  // web contents, which will persist until the a commit removes it. Use this
+  // flag to force a full commit on the next frame, to remove that render pass.
+  // http://crbug.com/564832
+  bool force_commit_for_next_frame_;
+
   // Holds delegated resources that have been given to a DelegatedFrameProvider,
   // and gives back resources when they are no longer in use for return to the
   // renderer.