Cleanup RemotePlatformLayer when disconnecting RemoteFrame.

Source/core/frame/Frame.h

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999-2001 Lars Knoll <knoll@kde.org>
  *                     1999-2001 Antti Koivisto <koivisto@kde.org>
  *                     2000-2001 Simon Hausmann <hausmann@kde.org>
  *                     2000-2001 Dirk Mueller <mueller@kde.org>
  *                     2000 Stefan Schimanski <1Stein@gmx.de>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
@@ skipping 31 matching lines @@
 class FrameClient;
 class FrameHost;
 class FrameOwner;
 class HTMLFrameOwnerElement;
 class DOMWindow;
 class KURL;
 class Page;
 class RenderPart;
 class SecurityContext;
 class Settings;
-class WebLayer;
 class WindowProxy;
 
 class Frame : public RefCountedWillBeGarbageCollectedFinalized<Frame> {
 public:
     virtual ~Frame();
 
     virtual void trace(Visitor*);
 
     virtual bool isLocalFrame() const { return false; }
     virtual bool isRemoteFrame() const { return false; }
@@ skipping 29 matching lines @@
     virtual SecurityContext* securityContext() const = 0;
 
     Frame* findFrameForNavigation(const AtomicString& name, Frame& activeFrame);
     Frame* findUnsafeParentScrollPropagationBoundary();
 
     bool canNavigate(const Frame&);
     virtual void printNavigationErrorMessage(const Frame&, const char* reason) = 0;
 
     RenderPart* ownerRenderer() const; // Renderer for the element that contains this frame.
 
-    // FIXME: These should move to RemoteFrame when that is instantiated.
-    void setRemotePlatformLayer(WebLayer*);
-    WebLayer* remotePlatformLayer() const { return m_remotePlatformLayer; }
-
     Settings* settings() const; // can be null
 
-    // FIXME: This method identifies a LocalFrame that is acting as a RemoteFrame.
-    // It is necessary only until we can instantiate a RemoteFrame, at which point
-    // it can be removed and its callers can be converted to use the isRemoteFrame()
-    // method.
-    bool isRemoteFrameTemporary() const { return m_remotePlatformLayer; }
-
     // isLoading() is true when the embedder should think a load is in progress.
     // In the case of LocalFrames, it means that the frame has sent a didStartLoading()
     // callback, but not the matching didStopLoading(). Inside blink, you probably
     // want Document::loadEventFinished() instead.
     void setIsLoading(bool isLoading) { m_isLoading = isLoading; }
     bool isLoading() const { return m_isLoading; }
     virtual bool isLoadingAsChild() const { return isLoading(); }
 
 protected:
     Frame(FrameClient*, FrameHost*, FrameOwner*);
 
     mutable FrameTree m_treeNode;
 
     RawPtrWillBeMember<FrameHost> m_host;
     RawPtrWillBeMember<FrameOwner> m_owner;
 
 private:
     FrameClient* m_client;
-    WebLayer* m_remotePlatformLayer;
-
     bool m_isLoading;
 };
 
 inline FrameClient* Frame::client() const
 {
     return m_client;
 }
 
 inline FrameOwner* Frame::owner() const
 {
     return m_owner;
 }
 
 inline FrameTree& Frame::tree() const
 {
     return m_treeNode;
 }
 
 // Allow equality comparisons of Frames by reference or pointer, interchangeably.
 DEFINE_COMPARISON_OPERATORS_WITH_REFERENCES_REFCOUNTED(Frame)
 
 } // namespace blink
 
 #endif // Frame_h