Plumbing toward transitioning remote frame back to a local frame.

Source/core/frame/RemoteFrame.h

Index: Source/core/frame/RemoteFrame.h
diff --git a/Source/core/frame/RemoteFrame.h b/Source/core/frame/RemoteFrame.h
index ff75b01de588688e12cc3b4e9e4b39c86ba6b562..4cb6ec69f3bb2fe9064f96300f1d03c92211f191 100644
--- a/Source/core/frame/RemoteFrame.h
+++ b/Source/core/frame/RemoteFrame.h
@@ -9,15 +9,17 @@
 
 namespace blink {
 
+class RemoteFrameClient;
 class RemoteFrameView;
 
 class RemoteFrame: public Frame {
 public:
-    static PassRefPtr<RemoteFrame> create(FrameClient*, FrameHost*, FrameOwner*);
+    static PassRefPtr<RemoteFrame> create(RemoteFrameClient*, FrameHost*, FrameOwner*);
     virtual bool isRemoteFrame() const OVERRIDE { return true; }
 
     virtual ~RemoteFrame();
 
+    virtual void navigate(Document& originDocument, const KURL&, const Referrer&, bool lockBackForwardList) OVERRIDE;
     virtual void detach() OVERRIDE;
 
     void setView(PassRefPtr<RemoteFrameView>);
@@ -26,7 +28,9 @@ public:
     RemoteFrameView* view() const;
 
 private:
-    RemoteFrame(FrameClient*, FrameHost*, FrameOwner*);
+    RemoteFrame(RemoteFrameClient*, FrameHost*, FrameOwner*);
+
+    RemoteFrameClient* remoteFrameClient() const;
 
     RefPtr<RemoteFrameView> m_view;
 };