core/platform: Include wtf files using "wtf/foo.h" form.

Source/core/platform/graphics/skia/SkiaUtils.h

 /*
  * Copyright (c) 2006,2007,2008, 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 18 matching lines @@
  */
 
 // All of the functions in this file should move to new homes and this file should be deleted.
 
 #ifndef SkiaUtils_h
 #define SkiaUtils_h
 
 #include "SkPath.h"
 #include "SkXfermode.h"
 #include "core/platform/graphics/GraphicsContext.h"
-#include <wtf/MathExtras.h>
+#include "wtf/MathExtras.h"
 
 class SkCanvas;
 class SkRegion;
 
 namespace WebCore {
 
 SkXfermode::Mode WebCoreCompositeToSkiaComposite(CompositeOperator, BlendMode = BlendModeNormal);
 
 // move this guy into SkColor.h
 SkColor SkPMColorToColor(SkPMColor);
@@ skipping 24 matching lines @@
 //
 // srcRect and destRect can be the same.
 void ClipRectToCanvas(const GraphicsContext*, const SkRect& srcRect, SkRect* destRect);
 
 // Determine if a given WebKit point is contained in a path
 bool SkPathContainsPoint(SkPath*, const FloatPoint&, SkPath::FillType);
 
 }  // namespace WebCore
 
 #endif  // SkiaUtils_h