Move TraceEvent.h from platform/ to wtf/

Source/platform/graphics/Image.cpp

 /*
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2004, 2005, 2006 Apple Computer, 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 12 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "platform/graphics/Image.h"
 
 #include "platform/Length.h"
 #include "platform/MIMETypeRegistry.h"
 #include "platform/SharedBuffer.h"
-#include "platform/TraceEvent.h"
 #include "platform/geometry/FloatPoint.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/geometry/FloatSize.h"
 #include "platform/graphics/BitmapImage.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/GraphicsContextStateSaver.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebData.h"
 #include "wtf/MainThread.h"
 #include "wtf/StdLibExtras.h"
+#include "wtf/TraceEvent.h"
 
 #include <math.h>
 
 namespace WebCore {
 
 Image::Image(ImageObserver* observer)
     : m_imageObserver(observer)
 {
 }
 
@@ skipping 177 matching lines @@
 }
 
 void Image::computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio)
 {
     intrinsicRatio = size();
     intrinsicWidth = Length(intrinsicRatio.width(), Fixed);
     intrinsicHeight = Length(intrinsicRatio.height(), Fixed);
 }
 
 }