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

Source/core/platform/graphics/WidthIterator.h

 /*
  * Copyright (C) 2003, 2006, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Holger Hans Peter Freyther
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef WidthIterator_h
 #define WidthIterator_h
 
 #include "core/platform/graphics/Font.h"
 #include "core/platform/graphics/SVGGlyph.h"
 #include "core/platform/graphics/TextRun.h"
-#include <wtf/HashSet.h>
-#include <wtf/unicode/Unicode.h>
-#include <wtf/Vector.h>
+#include "wtf/HashSet.h"
+#include "wtf/unicode/Unicode.h"
+#include "wtf/Vector.h"
 
 namespace WebCore {
 
 class Font;
 class GlyphBuffer;
 class SimpleFontData;
 class TextRun;
 struct GlyphData;
 
 struct WidthIterator {
@@ skipping 53 matching lines @@
     float m_maxGlyphBoundingBoxY;
     float m_minGlyphBoundingBoxY;
     float m_firstGlyphOverflow;
     float m_lastGlyphOverflow;
     bool m_forTextEmphasis;
 };
 
 }
 
 #endif