HeapSupplements are now just Supplements.

third_party/WebKit/Source/core/workers/WorkerGlobalScopeProxyProvider.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 25 matching lines @@
 #include "platform/Supplementable.h"
 #include "wtf/Forward.h"
 #include "wtf/Noncopyable.h"
 
 namespace blink {
 
 class Page;
 class WorkerGlobalScopeProxy;
 class Worker;
 
-class WorkerGlobalScopeProxyProvider : public HeapSupplement<Page> {
+class WorkerGlobalScopeProxyProvider : public Supplement<Page> {
     WTF_MAKE_NONCOPYABLE(WorkerGlobalScopeProxyProvider);
 public:
     WorkerGlobalScopeProxyProvider() { }
     virtual ~WorkerGlobalScopeProxyProvider() { }
 
     virtual WorkerGlobalScopeProxy* createWorkerGlobalScopeProxy(Worker*) = 0;
 
     static WorkerGlobalScopeProxyProvider* from(Page&);
     static const char* supplementName();
 };
 
 CORE_EXPORT void provideWorkerGlobalScopeProxyProviderTo(Page&, RawPtr<WorkerGlobalScopeProxyProvider>);
 
 } // namespace blink
 
 #endif // WorkerGlobalScopeProxyProvider_h