Move browser-to-renderer opener plumbing to frame routing IDs

content/browser/frame_host/render_frame_host_impl.h

Index: content/browser/frame_host/render_frame_host_impl.h
diff --git a/content/browser/frame_host/render_frame_host_impl.h b/content/browser/frame_host/render_frame_host_impl.h
index d34b4ef33c89eddbfbf4800ba3da7830b9d375e3..1b95c6ebe7207bfa3c56beef9e40af5f9bde827b 100644
--- a/content/browser/frame_host/render_frame_host_impl.h
+++ b/content/browser/frame_host/render_frame_host_impl.h
@@ -85,7 +85,10 @@ enum CreateRenderFrameFlags {
   // The RenderFrameHost will have a new RenderWidgetHost created and
   // attached to it. This is used when the RenderFrameHost is in a different
   // process from its parent frame.
-  CREATE_RF_NEEDS_RENDER_WIDGET_HOST = 1 << 3
+  CREATE_RF_NEEDS_RENDER_WIDGET_HOST = 1 << 3,
+  // The RenderFrame will not have an opener frame assigned, even if the RFH's

[nasko, 2015/07/07 16:26:20]

nit: I think dropping "RFH's" still preserves the meaning without making it hard
to read/understand.

[alexmos, 2015/07/08 04:42:18]

Done.

+  // FrameTreeNode currently has an opener node.
+  CREATE_RF_SUPPRESS_OPENER = 1 << 4
 };
 
 class CONTENT_EXPORT RenderFrameHostImpl