Page::chrome() should return a reference.

Source/core/html/HTMLFormControlElementWithState.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 53 matching lines @@
     return form()->shouldAutocomplete();
 }
 
 void HTMLFormControlElementWithState::notifyFormStateChanged()
 {
     Frame* frame = document()->frame();
     if (!frame)
         return;
 
     if (Page* page = frame->page())
-        page->chrome()->client()->formStateDidChange(this);
+        page->chrome().client()->formStateDidChange(this);
 }
 
 bool HTMLFormControlElementWithState::shouldSaveAndRestoreFormControlState() const
 {
     // We don't save/restore control state in a form with autocomplete=off.
     return attached() && shouldAutocomplete();
 }
 
 FormControlState HTMLFormControlElementWithState::saveFormControlState() const
 {
     return FormControlState();
 }
 
 void HTMLFormControlElementWithState::finishParsingChildren()
 {
     HTMLFormControlElement::finishParsingChildren();
     document()->formController()->restoreControlStateFor(*this);
 }
 
 bool HTMLFormControlElementWithState::isFormControlElementWithState() const
 {
     return true;
 }
 
 } // namespace Webcore