Remove unnecessary uses of GarbageCollectedFinalized<>.

third_party/WebKit/Source/web/AssociatedURLLoader.cpp

 /*
  * Copyright (C) 2010, 2011, 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:
  *
  *     * 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 272 matching lines @@
 void AssociatedURLLoader::ClientAdapter::notifyError(Timer<ClientAdapter>* timer)
 {
     ASSERT_UNUSED(timer, timer == &m_errorTimer);
 
     if (!m_client)
         return;
 
     m_client->didFail(m_loader, m_error);
 }
 
-class AssociatedURLLoader::Observer final : public GarbageCollectedFinalized<Observer>, public ContextLifecycleObserver {
+class AssociatedURLLoader::Observer final : public GarbageCollected<Observer>, public ContextLifecycleObserver {
     USING_GARBAGE_COLLECTED_MIXIN(Observer);
 public:
     Observer(AssociatedURLLoader* parent, Document* document)
         : ContextLifecycleObserver(document)
         , m_parent(parent)
     {
     }
 
     void dispose()
     {
@@ skipping 151 matching lines @@
     // there could be a WebURLLoader instance behind the
     // DocumentThreadableLoader instance. So, for safety, we chose to just
     // crash here.
     RELEASE_ASSERT(ThreadState::current());
 
     m_observer->dispose();
     m_observer = nullptr;
 }
 
 } // namespace blink