HeapSupplements are now just Supplements.

third_party/WebKit/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 29 matching lines @@
 {
 }
 
 const char* DOMWindowCrypto::supplementName()
 {
     return "DOMWindowCrypto";
 }
 
 DOMWindowCrypto& DOMWindowCrypto::from(LocalDOMWindow& window)
 {
-    DOMWindowCrypto* supplement = static_cast<DOMWindowCrypto*>(HeapSupplement<LocalDOMWindow>::from(window, supplementName()));
+    DOMWindowCrypto* supplement = static_cast<DOMWindowCrypto*>(Supplement<LocalDOMWindow>::from(window, supplementName()));
     if (!supplement) {
         supplement = new DOMWindowCrypto(window);
         provideTo(window, supplementName(), supplement);
     }
     return *supplement;
 }
 
 Crypto* DOMWindowCrypto::crypto(DOMWindow& window)
 {
     return DOMWindowCrypto::from(toLocalDOMWindow(window)).crypto();
 }
 
 Crypto* DOMWindowCrypto::crypto() const
 {
     if (!m_crypto && frame())
         m_crypto = Crypto::create();
     return m_crypto.get();
 }
 
 DEFINE_TRACE(DOMWindowCrypto)
 {
     visitor->trace(m_crypto);
-    HeapSupplement<LocalDOMWindow>::trace(visitor);
+    Supplement<LocalDOMWindow>::trace(visitor);
     DOMWindowProperty::trace(visitor);
 }
 
 } // namespace blink