Always call WCO::RenderFrameCreated and WCO::RenderFrameDeleted

content/browser/frame_host/render_frame_host_manager.h

Index: content/browser/frame_host/render_frame_host_manager.h
diff --git a/content/browser/frame_host/render_frame_host_manager.h b/content/browser/frame_host/render_frame_host_manager.h
index dce2dbb2e01b3e9753edb6f8c3d53da8487be9fb..52d07c2ddbcfbcb6b14901d0fdff92d040fd21f0 100644
--- a/content/browser/frame_host/render_frame_host_manager.h
+++ b/content/browser/frame_host/render_frame_host_manager.h
@@ -229,6 +229,7 @@ class CONTENT_EXPORT RenderFrameHostManager : public NotificationObserver {
   // Helper method to create and initialize a RenderFrameHost.  If |swapped_out|
   // is true, it will be initially placed on the swapped out hosts list.
   // Otherwise, it will be used for a pending cross-site navigation.
+  // Returns the routing id of the *view* associated with the frame.
   int CreateRenderFrame(SiteInstance* instance,
                         int opener_route_id,
                         bool swapped_out,
@@ -279,6 +280,10 @@ class CONTENT_EXPORT RenderFrameHostManager : public NotificationObserver {
   void ClearPendingShutdownRFHForSiteInstance(int32 site_instance_id,
                                               RenderFrameHostImpl* rfh);
 
+  // Deletes any proxy hosts associated with this node. Used during destruction
+  // of WebContentsImpl.
+  void ResetProxyHosts();
+
  private:
   friend class RenderFrameHostManagerTest;
   friend class TestWebContents;