Oilpan: turn DOMWindow into a heap supplementable.

Source/modules/crypto/DOMWindowCrypto.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 34 matching lines @@
 {
 }
 
 const char* DOMWindowCrypto::supplementName()
 {
     return "DOMWindowCrypto";
 }
 
 DOMWindowCrypto& DOMWindowCrypto::from(DOMWindow& window)
 {
-    DOMWindowCrypto* supplement = static_cast<DOMWindowCrypto*>(Supplement<DOMWindow>::from(window, supplementName()));
+    DOMWindowCrypto* supplement = static_cast<DOMWindowCrypto*>(WillBeHeapSupplement<DOMWindow>::from(window, supplementName()));
     if (!supplement) {
         supplement = new DOMWindowCrypto(window);
-        provideTo(window, supplementName(), adoptPtr(supplement));
+        provideTo(window, supplementName(), adoptPtrWillBeNoop(supplement));
     }
     return *supplement;
 }
 
 Crypto* DOMWindowCrypto::crypto(DOMWindow& window)
 {
     return DOMWindowCrypto::from(window).crypto();
 }
 
 Crypto* DOMWindowCrypto::crypto() const
 {
     if (!m_crypto && frame())
         m_crypto = Crypto::create();
     return m_crypto.get();
 }
 
+void DOMWindowCrypto::trace(Visitor* visitor)
+{
+    visitor->trace(m_crypto);
+}
+
 } // namespace WebCore