HeapSupplements are now just Supplements.

third_party/WebKit/Source/modules/filesystem/LocalFileSystem.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 186 matching lines @@
 }
 
 const char* LocalFileSystem::supplementName()
 {
     return "LocalFileSystem";
 }
 
 LocalFileSystem* LocalFileSystem::from(ExecutionContext& context)
 {
     if (context.isDocument())
-        return static_cast<LocalFileSystem*>(HeapSupplement<LocalFrame>::from(toDocument(context).frame(), supplementName()));
+        return static_cast<LocalFileSystem*>(Supplement<LocalFrame>::from(toDocument(context).frame(), supplementName()));
 
     WorkerClients* clients = toWorkerGlobalScope(context).clients();
     ASSERT(clients);
-    return static_cast<LocalFileSystem*>(HeapSupplement<WorkerClients>::from(clients, supplementName()));
+    return static_cast<LocalFileSystem*>(Supplement<WorkerClients>::from(clients, supplementName()));
 }
 
 void provideLocalFileSystemTo(LocalFrame& frame, PassOwnPtr<FileSystemClient> client)
 {
     frame.provideSupplement(LocalFileSystem::supplementName(), LocalFileSystem::create(client));
 }
 
 void provideLocalFileSystemToWorker(WorkerClients* clients, PassOwnPtr<FileSystemClient> client)
 {
     clients->provideSupplement(LocalFileSystem::supplementName(), LocalFileSystem::create(client));
 }
 
 } // namespace blink