Moving platform tracing things into platform/tracing.

third_party/WebKit/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 34 matching lines @@
 #include "core/html/MediaError.h"
 #include "core/html/TimeRanges.h"
 #include "core/html/track/AudioTrack.h"
 #include "core/html/track/AudioTrackList.h"
 #include "core/html/track/VideoTrack.h"
 #include "core/html/track/VideoTrackList.h"
 #include "core/streams/Stream.h"
 #include "modules/mediasource/MediaSource.h"
 #include "modules/mediasource/SourceBufferTrackBaseSupplement.h"
 #include "platform/RuntimeEnabledFeatures.h"
-#include "platform/TraceEvent.h"
+#include "platform/tracing/TraceEvent.h"
 #include "public/platform/WebSourceBuffer.h"
 #include "wtf/MathExtras.h"
 #include <limits>
 #include <memory>
 #include <sstream>
 
 #ifndef BLINK_SBLOG
 #define BLINK_SBLOG DVLOG(3)
 #endif
 
@@ skipping 1192 matching lines @@
     visitor->trace(m_removeAsyncPartRunner);
     visitor->trace(m_appendStreamAsyncPartRunner);
     visitor->trace(m_stream);
     visitor->trace(m_audioTracks);
     visitor->trace(m_videoTracks);
     EventTargetWithInlineData::trace(visitor);
     ActiveDOMObject::trace(visitor);
 }
 
 } // namespace blink