Make TopDocumentRootScrollerController store Page instead of FrameHost

third_party/WebKit/Source/core/frame/FrameHost.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 39 matching lines @@
 FrameHost::FrameHost(Page& page)
     : m_page(&page),
       m_browserControls(BrowserControls::create(*this)),
       m_visualViewport(VisualViewport::create(*this)),
       m_overscrollController(
           OverscrollController::create(*m_visualViewport,
                                        m_page->chromeClient())),
       m_eventHandlerRegistry(new EventHandlerRegistry(*this)),
       m_consoleMessageStorage(new ConsoleMessageStorage()),
       m_globalRootScrollerController(
-          TopDocumentRootScrollerController::create(*this)),
+          TopDocumentRootScrollerController::create(page)),
       m_subframeCount(0) {}
 
 // Explicitly in the .cpp to avoid default constructor in .h
 FrameHost::~FrameHost() {}
 
 Page& FrameHost::page() {
   return *m_page;
 }
 
 const Page& FrameHost::page() const {
@@ skipping 76 matching lines @@
 #endif
 
 int FrameHost::subframeCount() const {
 #if DCHECK_IS_ON()
   checkFrameCountConsistency(m_subframeCount + 1, m_page->mainFrame());
 #endif
   return m_subframeCount;
 }
 
 }  // namespace blink