Oilpan: Remove GC_INFO_{DEFINE,DECLARE} macros

Source/modules/mediasource/WebKitSourceBuffer.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:
  *
  *     * 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 34 matching lines @@
 
 static bool throwExceptionIfRemoved(bool isRemoved, ExceptionState& exceptionState)
 {
     if (isRemoved) {
         exceptionState.throwDOMException(InvalidStateError, "This SourceBuffer has been removed from its parent MediaSource.");
         return true;
     }
     return false;
 }
 
-DEFINE_GC_INFO(WebKitSourceBuffer);
-
 PassRefPtrWillBeRawPtr<WebKitSourceBuffer> WebKitSourceBuffer::create(PassOwnPtr<WebSourceBuffer> webSourceBuffer, PassRefPtrWillBeRawPtr<WebKitMediaSource> source)
 {
     return adoptRefWillBeNoop(new WebKitSourceBuffer(webSourceBuffer, source));
 }
 
 WebKitSourceBuffer::WebKitSourceBuffer(PassOwnPtr<WebSourceBuffer> webSourceBuffer, PassRefPtrWillBeRawPtr<WebKitMediaSource> source)
     : m_webSourceBuffer(webSourceBuffer)
     , m_source(source)
     , m_timestampOffset(0)
 {
@@ skipping 105 matching lines @@
 {
     return !m_source;
 }
 
 void WebKitSourceBuffer::trace(Visitor* visitor)
 {
     visitor->trace(m_source);
 }
 
 } // namespace WebCore