HeapSupplements are now just Supplements.

third_party/WebKit/Source/modules/mediastream/UserMediaController.cpp

 /*
  * Copyright (C) 2012 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:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 20 matching lines @@
     return "UserMediaController";
 }
 
 UserMediaController::UserMediaController(UserMediaClient* client)
     : m_client(client)
 {
 }
 
 DEFINE_TRACE(UserMediaController)
 {
-    HeapSupplement<LocalFrame>::trace(visitor);
+    Supplement<LocalFrame>::trace(visitor);
 }
 
 RawPtr<UserMediaController> UserMediaController::create(UserMediaClient* client)
 {
     return new UserMediaController(client);
 }
 
 void provideUserMediaTo(LocalFrame& frame, UserMediaClient* client)
 {
     UserMediaController::provideTo(frame, UserMediaController::supplementName(), UserMediaController::create(client));
 }
 
 } // namespace blink