HeapSupplements are now just Supplements.

third_party/WebKit/Source/web/WorkerContentSettingsClient.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 52 matching lines @@
 
 const char* WorkerContentSettingsClient::supplementName()
 {
     return "WorkerContentSettingsClient";
 }
 
 WorkerContentSettingsClient* WorkerContentSettingsClient::from(ExecutionContext& context)
 {
     WorkerClients* clients = toWorkerGlobalScope(context).clients();
     DCHECK(clients);
-    return static_cast<WorkerContentSettingsClient*>(HeapSupplement<WorkerClients>::from(*clients, supplementName()));
+    return static_cast<WorkerContentSettingsClient*>(Supplement<WorkerClients>::from(*clients, supplementName()));
 }
 
 WorkerContentSettingsClient::WorkerContentSettingsClient(PassOwnPtr<WebWorkerContentSettingsClientProxy> proxy)
     : m_proxy(proxy)
 {
     setIndexedDBClientCreateFunction(IndexedDBClientImpl::create);
 }
 
 void provideContentSettingsClientToWorker(WorkerClients* clients, PassOwnPtr<WebWorkerContentSettingsClientProxy> proxy)
 {
     DCHECK(clients);
     WorkerContentSettingsClient::provideTo(*clients, WorkerContentSettingsClient::supplementName(), WorkerContentSettingsClient::create(proxy));
 }
 
 } // namespace blink