Clean up macros around DEFINE_EVENT_TARGET_REFCOUNTING

Source/modules/mediasource/SourceBuffer.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 40 matching lines @@
 class MediaSource;
 class Stream;
 class TimeRanges;
 class WebSourceBuffer;
 
 class SourceBuffer final
     : public RefCountedGarbageCollectedEventTargetWithInlineData<SourceBuffer>
     , public ActiveDOMObject
     , public FileReaderLoaderClient
     , public WebSourceBufferClient {
-    DEFINE_EVENT_TARGET_REFCOUNTING_WILL_BE_REMOVED(RefCountedGarbageCollected<SourceBuffer>);
+    REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(SourceBuffer);
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SourceBuffer);
     DEFINE_WRAPPERTYPEINFO();
 public:
     static SourceBuffer* create(PassOwnPtr<WebSourceBuffer>, MediaSource*, GenericEventQueue*);
     static const AtomicString& segmentsKeyword();
     static const AtomicString& sequenceKeyword();
 
     virtual ~SourceBuffer();
 
     // SourceBuffer.idl methods
@@ skipping 81 matching lines @@
     bool m_streamMaxSizeValid;
     unsigned long long m_streamMaxSize;
     AsyncMethodRunner<SourceBuffer> m_appendStreamAsyncPartRunner;
     Member<Stream> m_stream;
     OwnPtr<FileReaderLoader> m_loader;
 };
 
 } // namespace blink
 
 #endif // SourceBuffer_h