Oilpan: turn DOMWindow into a heap supplementable.

Source/modules/quota/DOMWindowQuota.cpp

 /*
  * Copyright (C) 2012 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 38 matching lines @@
 }
 
 const char* DOMWindowQuota::supplementName()
 {
     return "DOMWindowQuota";
 }
 
 // static
 DOMWindowQuota& DOMWindowQuota::from(DOMWindow& window)
 {
-    DOMWindowQuota* supplement = static_cast<DOMWindowQuota*>(Supplement<DOMWindow>::from(window, supplementName()));
+    DOMWindowQuota* supplement = static_cast<DOMWindowQuota*>(WillBeHeapSupplement<DOMWindow>::from(window, supplementName()));
     if (!supplement) {
         supplement = new DOMWindowQuota(window);
-        provideTo(window, supplementName(), adoptPtr(supplement));
+        provideTo(window, supplementName(), adoptPtrWillBeNoop(supplement));
     }
     return *supplement;
 }
 
 // static
 DeprecatedStorageInfo* DOMWindowQuota::webkitStorageInfo(DOMWindow& window)
 {
     return DOMWindowQuota::from(window).webkitStorageInfo();
 }
 
 DeprecatedStorageInfo* DOMWindowQuota::webkitStorageInfo() const
 {
     if (!m_storageInfo && frame())
         m_storageInfo = DeprecatedStorageInfo::create();
     return m_storageInfo.get();
 }
 
+void DOMWindowQuota::trace(Visitor* visitor)
+{
+    visitor->trace(m_storageInfo);
+}
+
 } // namespace WebCore