Move Document pointer from Frame to LocalFrame.

Source/core/frame/Frame.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Simon Hausmann <hausmann@kde.org>
  *                     2000 Stefan Schimanski <1Stein@gmx.de>
  *                     2001 George Staikos <staikos@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2005 Alexey Proskuryakov <ap@nypop.com>
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
@@ skipping 28 matching lines @@
 #include "core/html/HTMLFrameElementBase.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/loader/EmptyClients.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "core/page/Chrome.h"
 #include "core/page/ChromeClient.h"
 #include "core/page/EventHandler.h"
 #include "core/page/FocusController.h"
 #include "core/page/Page.h"
 #include "core/rendering/RenderPart.h"
-#include "core/rendering/RenderView.h"
 #include "public/platform/WebLayer.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/RefCountedLeakCounter.h"
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 namespace {
 
@@ skipping 85 matching lines @@
     return client;
 }
 
 ChromeClient& Frame::chromeClient() const
 {
     if (Page* page = this->page())
         return page->chrome().client();
     return emptyChromeClient();
 }
 
-Document* Frame::document() const
-{
-    return m_domWindow ? m_domWindow->document() : 0;
-}
-
-RenderView* Frame::contentRenderer() const
-{
-    return document() ? document()->renderView() : 0;
-}
-
 RenderPart* Frame::ownerRenderer() const
 {
     if (!ownerElement())
         return 0;
     RenderObject* object = ownerElement()->renderer();
     if (!object)
         return 0;
     // FIXME: If <object> is ever fixed to disassociate itself from frames
     // that it has started but canceled, then this can turn into an ASSERT
     // since ownerElement() would be 0 when the load is canceled.
@@ skipping 23 matching lines @@
 }
 
 bool Frame::isMainFrame() const
 {
     Page* page = this->page();
     return page && this == page->mainFrame();
 }
 
 void Frame::disconnectOwnerElement()
 {
-    // FIXME: The semantics here are specific to LocalFrame and will need to change
-    // when RemoteFrames no longer have Documents.
     if (ownerElement()) {
-        if (Document* doc = document())
-            doc->topDocument().clearAXObjectCache();
         ownerElement()->clearContentFrame();
         if (page())
             page()->decrementSubframeCount();
     }
     m_ownerElement = 0;
 }
 
 } // namespace WebCore