Move TraceEvent.h from platform/ to wtf/

Source/modules/mediasource/SourceBuffer.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 24 matching lines @@
 #include "bindings/v8/ExceptionState.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/events/Event.h"
 #include "core/events/GenericEventQueue.h"
 #include "core/fileapi/FileReaderLoader.h"
 #include "core/fileapi/Stream.h"
 #include "core/html/TimeRanges.h"
 #include "modules/mediasource/MediaSource.h"
 #include "platform/Logging.h"
-#include "platform/TraceEvent.h"
 #include "public/platform/WebSourceBuffer.h"
 #include "wtf/ArrayBuffer.h"
 #include "wtf/ArrayBufferView.h"
 #include "wtf/MathExtras.h"
+#include "wtf/TraceEvent.h"
 
 #include <limits>
 
 using blink::WebSourceBuffer;
 
 namespace WebCore {
 
 namespace {
 
 static bool throwExceptionIfRemovedOrUpdating(bool isRemoved, bool isUpdating, ExceptionState& exceptionState)
@@ skipping 643 matching lines @@
     appendStreamDone(false);
 }
 
 void SourceBuffer::trace(Visitor* visitor)
 {
     visitor->trace(m_source);
     visitor->trace(m_stream);
 }
 
 } // namespace WebCore