HeapSupplements are now just Supplements.

third_party/WebKit/Source/web/WorkerContentSettingsClient.h

 /*
  * 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 22 matching lines @@
 
 #include "core/workers/WorkerClients.h"
 #include "wtf/Forward.h"
 
 namespace blink {
 
 class ExecutionContext;
 class WebString;
 class WebWorkerContentSettingsClientProxy;
 
-class WorkerContentSettingsClient final : public GarbageCollectedFinalized<WorkerContentSettingsClient>, public HeapSupplement<WorkerClients> {
+class WorkerContentSettingsClient final : public GarbageCollectedFinalized<WorkerContentSettingsClient>, public Supplement<WorkerClients> {
     USING_GARBAGE_COLLECTED_MIXIN(WorkerContentSettingsClient);
 public:
     static RawPtr<WorkerContentSettingsClient> create(PassOwnPtr<WebWorkerContentSettingsClientProxy>);
     virtual ~WorkerContentSettingsClient();
 
     bool requestFileSystemAccessSync();
     bool allowIndexedDB(const WebString& name);
 
     static const char* supplementName();
     static WorkerContentSettingsClient* from(ExecutionContext&);
 
-    DEFINE_INLINE_VIRTUAL_TRACE() { HeapSupplement<WorkerClients>::trace(visitor); }
+    DEFINE_INLINE_VIRTUAL_TRACE() { Supplement<WorkerClients>::trace(visitor); }
 
 private:
     explicit WorkerContentSettingsClient(PassOwnPtr<WebWorkerContentSettingsClientProxy>);
 
     OwnPtr<WebWorkerContentSettingsClientProxy> m_proxy;
 };
 
 void provideContentSettingsClientToWorker(WorkerClients*, PassOwnPtr<WebWorkerContentSettingsClientProxy>);
 
 } // namespace blink
 
 #endif // WorkerContentSettingsClient_h