Simplify Supplementables post Oilpan.

third_party/WebKit/Source/modules/crypto/WorkerGlobalScopeCrypto.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 26 matching lines @@
 
 WorkerGlobalScopeCrypto::WorkerGlobalScopeCrypto()
 {
 }
 
 const char* WorkerGlobalScopeCrypto::supplementName()
 {
     return "WorkerGlobalScopeCrypto";
 }
 
-WorkerGlobalScopeCrypto& WorkerGlobalScopeCrypto::from(HeapSupplementable<WorkerGlobalScope>& context)
+WorkerGlobalScopeCrypto& WorkerGlobalScopeCrypto::from(Supplementable<WorkerGlobalScope>& context)
 {
-    WorkerGlobalScopeCrypto* supplement = static_cast<WorkerGlobalScopeCrypto*>(HeapSupplement<WorkerGlobalScope>::from(context, supplementName()));
+    WorkerGlobalScopeCrypto* supplement = static_cast<WorkerGlobalScopeCrypto*>(Supplement<WorkerGlobalScope>::from(context, supplementName()));
     if (!supplement) {
-        supplement = new WorkerGlobalScopeCrypto();
-        provideTo(context, supplementName(), adoptPtrWillBeNoop(supplement));
+        supplement = new WorkerGlobalScopeCrypto;
+        provideTo(context, supplementName(), supplement);
     }
     return *supplement;
 }
 
-Crypto* WorkerGlobalScopeCrypto::crypto(HeapSupplementable<WorkerGlobalScope>& context)
+Crypto* WorkerGlobalScopeCrypto::crypto(Supplementable<WorkerGlobalScope>& context)
 {
     return WorkerGlobalScopeCrypto::from(context).crypto();
 }
 
 Crypto* WorkerGlobalScopeCrypto::crypto() const
 {
     if (!m_crypto)
         m_crypto = Crypto::create();
     return m_crypto.get();
 }
 
 DEFINE_TRACE(WorkerGlobalScopeCrypto)
 {
     visitor->trace(m_crypto);
-    HeapSupplement<WorkerGlobalScope>::trace(visitor);
+    Supplement<WorkerGlobalScope>::trace(visitor);
 }
 
 } // namespace blink