Preserve Page::openedByDOM state across process swaps.

content/browser/renderer_host/render_view_host_impl.h

Index: content/browser/renderer_host/render_view_host_impl.h
diff --git a/content/browser/renderer_host/render_view_host_impl.h b/content/browser/renderer_host/render_view_host_impl.h
index 5579cd7d47cbebc8f21c421f7b7001dc16b33e50..f80e1c2971984c0113a62fa7f9464a172b9c69fa 100644
--- a/content/browser/renderer_host/render_view_host_impl.h
+++ b/content/browser/renderer_host/render_view_host_impl.h
@@ -240,9 +240,12 @@ class CONTENT_EXPORT RenderViewHostImpl
   // The |opener_route_id| parameter indicates which RenderView created this
   // (MSG_ROUTING_NONE if none). If |max_page_id| is larger than -1, the
   // RenderView is told to start issuing page IDs at |max_page_id| + 1.
+  // |window_was_created_with_opener| is true if this top-level frame was
+  // created with an opener. (The opener may have been closed since.)
   virtual bool CreateRenderView(const base::string16& frame_name,
                                 int opener_route_id,
-                                int32 max_page_id);
+                                int32 max_page_id,
+                                bool window_was_created_with_opener);
 
   base::TerminationStatus render_view_termination_status() const {
     return render_view_termination_status_;