Oilpan: Prepare to move FormController and DocumentState to Oilpan heap, and remove RefPtrs to HTML…

Source/core/html/forms/FormController.cpp

 /*
  * Copyright (C) 2006, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010, 2011, 2012 Google Inc. All rights reserved.
  *
  * 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
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 356 matching lines @@
 }
 
 void FormKeyGenerator::willDeleteForm(HTMLFormElement* form)
 {
     ASSERT(form);
     m_formToKeyMap.remove(form);
 }
 
 // ----------------------------------------------------------------------------
 
-PassRefPtr<DocumentState> DocumentState::create()
+PassRefPtrWillBeRawPtr<DocumentState> DocumentState::create()
 {
-    return adoptRef(new DocumentState);
+    return adoptRefWillBeNoop(new DocumentState);
 }
 
 DocumentState::~DocumentState()
 {
 }
 
+void DocumentState::trace(Visitor* visitor)
+{
+    visitor->trace(m_formControls);
+}
+
 void DocumentState::addControl(HTMLFormControlElementWithState* control)
 {
     ASSERT(!m_formControls.contains(control));
     m_formControls.add(control);
 }
 
 void DocumentState::removeControl(HTMLFormControlElementWithState* control)
 {
     RELEASE_ASSERT(m_formControls.contains(control));
     m_formControls.remove(control);
@@ skipping 40 matching lines @@
 
 FormController::FormController()
     : m_documentState(DocumentState::create())
 {
 }
 
 FormController::~FormController()
 {
 }
 
+void FormController::trace(Visitor* visitor)
+{
+    visitor->trace(m_documentState);
+}
+
 DocumentState* FormController::formElementsState() const
 {
     return m_documentState.get();
 }
 
 void FormController::setStateForNewFormElements(const Vector<String>& stateVector)
 {
     formStatesFromStateVector(stateVector, m_savedFormStateMap);
 }
 
@@ skipping 84 matching lines @@
 {
     m_documentState->addControl(&control);
 }
 
 void FormController::unregisterStatefulFormControl(HTMLFormControlElementWithState& control)
 {
     m_documentState->removeControl(&control);
 }
 
 } // namespace WebCore