HeapSupplements are now just Supplements.

third_party/WebKit/Source/core/workers/WorkerGlobalScopeProxyProvider.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 18 matching lines @@
  */
 
 #include "core/workers/WorkerGlobalScopeProxyProvider.h"
 
 #include "core/page/Page.h"
 
 namespace blink {
 
 WorkerGlobalScopeProxyProvider* WorkerGlobalScopeProxyProvider::from(Page& page)
 {
-    return static_cast<WorkerGlobalScopeProxyProvider*>(HeapSupplement<Page>::from(page, supplementName()));
+    return static_cast<WorkerGlobalScopeProxyProvider*>(Supplement<Page>::from(page, supplementName()));
 }
 
 const char* WorkerGlobalScopeProxyProvider::supplementName()
 {
     return "WorkerGlobalScopeProxyProvider";
 }
 
 void provideWorkerGlobalScopeProxyProviderTo(Page& page, RawPtr<WorkerGlobalScopeProxyProvider> provider)
 {
-    HeapSupplement<Page>::provideTo(page, WorkerGlobalScopeProxyProvider::supplementName(), provider);
+    Supplement<Page>::provideTo(page, WorkerGlobalScopeProxyProvider::supplementName(), provider);
 }
 
 } // namespace blink