Have Document::formController() return a reference

Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 1413 matching lines @@
 String Document::nodeName() const
 {
     return "#document";
 }
 
 Node::NodeType Document::nodeType() const
 {
     return DOCUMENT_NODE;
 }
 
-FormController* Document::formController()
+FormController& Document::formController()
 {
     if (!m_formController)
         m_formController = FormController::create();
-    return m_formController.get();
+    return *m_formController;
 }
 
 Vector<String> Document::formElementsState() const
 {
     if (!m_formController)
         return Vector<String>();
     return m_formController->formElementsState();
 }
 
 void Document::setStateForNewFormElements(const Vector<String>& stateVector)
 {
     if (!stateVector.size() && !m_formController)
         return;
-    formController()->setStateForNewFormElements(stateVector);
+    formController().setStateForNewFormElements(stateVector);
 }
 
 FrameView* Document::view() const
 {
     return m_frame ? m_frame->view() : 0;
 }
 
 Page* Document::page() const
 {
     return m_frame ? m_frame->page() : 0;
@@ skipping 3975 matching lines @@
 void Document::defaultEventHandler(Event* event)
 {
     if (frame() && frame()->remotePlatformLayer()) {
         frame()->chromeClient().forwardInputEvent(this, event);
         return;
     }
     Node::defaultEventHandler(event);
 }
 
 } // namespace WebCore