Add Blink APIs for frame tree mirroring.

Source/web/WebLocalFrameImpl.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 85 matching lines @@
     virtual void setScrollOffset(const WebSize&) OVERRIDE;
     virtual WebSize minimumScrollOffset() const OVERRIDE;
     virtual WebSize maximumScrollOffset() const OVERRIDE;
     virtual WebSize contentsSize() const OVERRIDE;
     virtual bool hasVisibleContent() const OVERRIDE;
     virtual WebRect visibleContentRect() const OVERRIDE;
     virtual bool hasHorizontalScrollbar() const OVERRIDE;
     virtual bool hasVerticalScrollbar() const OVERRIDE;
     virtual WebView* view() const OVERRIDE;
     virtual void setOpener(WebFrame*) OVERRIDE;
+    virtual void initializeAsMainFrame(WebView*) OVERRIDE;
     virtual void appendChild(WebFrame*) OVERRIDE;
     virtual void removeChild(WebFrame*) OVERRIDE;
     virtual WebFrame* traversePrevious(bool wrap) const OVERRIDE;
     virtual WebFrame* traverseNext(bool wrap) const OVERRIDE;
     virtual WebFrame* findChildByName(const WebString&) const OVERRIDE;
     virtual WebDocument document() const OVERRIDE;
     virtual WebPerformance performance() const OVERRIDE;
     virtual bool dispatchBeforeUnloadEvent() OVERRIDE;
     virtual void dispatchUnloadEvent() OVERRIDE;
     virtual NPObject* windowObject() const OVERRIDE;
@@ skipping 114 matching lines @@
     virtual WebRect selectionBoundsRect() const OVERRIDE;
 
     virtual bool selectionStartHasSpellingMarkerFor(int from, int length) const OVERRIDE;
     virtual WebString layerTreeAsText(bool showDebugInfo = false) const OVERRIDE;
 
     void willDetachParent();
 
     static WebLocalFrameImpl* create(WebFrameClient*);
     virtual ~WebLocalFrameImpl();
 
-    // Called by the WebViewImpl to initialize the main frame for the page.
-    void initializeAsMainFrame(WebCore::Page*);
-
     PassRefPtr<WebCore::LocalFrame> createChildFrame(
         const WebCore::FrameLoadRequest&, WebCore::HTMLFrameOwnerElement*);
 
     void didChangeContentsSize(const WebCore::IntSize&);
 
     void createFrameView();
 
     static WebLocalFrameImpl* fromFrame(WebCore::LocalFrame*);
     static WebLocalFrameImpl* fromFrameOwnerElement(WebCore::Element*);
 
@@ skipping 53 matching lines @@
     // Returns the text finder object if it already exists.
     // Otherwise creates it and then returns.
     TextFinder& ensureTextFinder();
 
     // Invalidates vertical scrollbar only.
     void invalidateScrollbar() const;
 
     // Invalidates both content area and the scrollbar.
     void invalidateAll() const;
 
+    void initializeAsChildFrame(WebCore::FrameHost*, WebCore::FrameOwner*, const AtomicString& name, const AtomicString& fallbackName);
+
 private:
     friend class FrameLoaderClientImpl;
 
     explicit WebLocalFrameImpl(WebFrameClient*);
 
     // Sets the local WebCore frame and registers destruction observers.
     void setWebCoreFrame(PassRefPtr<WebCore::LocalFrame>);
 
     void loadJavaScriptURL(const WebCore::KURL&);
 
@@ skipping 31 matching lines @@
     UserMediaClientImpl m_userMediaClientImpl;
 
     OwnPtr<GeolocationClientProxy> m_geolocationClientProxy;
 };
 
 DEFINE_TYPE_CASTS(WebLocalFrameImpl, WebFrame, frame, frame->isWebLocalFrame(), frame.isWebLocalFrame());
 
 } // namespace blink
 
 #endif