Add a layer of indirection between Frame and Page

Source/core/testing/DummyPageHolder.cpp

 /*
  * Copyright (c) 2013, 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 36 matching lines @@
 {
     m_pageClients.chromeClient = &m_chromeClient;
     m_pageClients.contextMenuClient = &m_contextMenuClient;
     m_pageClients.editorClient = &m_editorClient;
     m_pageClients.dragClient = &m_dragClient;
     m_pageClients.inspectorClient = &m_inspectorClient;
     m_pageClients.backForwardClient = &m_backForwardClient;
 
     m_page = adoptPtr(new Page(m_pageClients));
 
-    m_frame = Frame::create(FrameInit::create(0, m_page.get(), &m_frameLoaderClient));
+    m_frame = Frame::create(FrameInit::create(0, &m_page->frameHost(), &m_frameLoaderClient));
     m_frame->setView(FrameView::create(m_frame.get(), initialViewSize));
     m_frame->init();
 }
 
 DummyPageHolder::~DummyPageHolder()
 {
     m_page.clear();
     ASSERT(m_frame->hasOneRef());
     m_frame.clear();
 }
@@ skipping 12 matching lines @@
 {
     return *m_frame->view();
 }
 
 Document& DummyPageHolder::document() const
 {
     return *m_frame->domWindow()->document();
 }
 
 } // namespace WebCore