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

Source/core/platform/graphics/SurrogatePairAwareTextIterator.h

 /*
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
  *
  * 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 SurrogatePairAwareTextIterator_h
 #define SurrogatePairAwareTextIterator_h
 
-#include <wtf/unicode/CharacterNames.h>
-#include <wtf/text/WTFString.h>
+#include "wtf/unicode/CharacterNames.h"
+#include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 class SurrogatePairAwareTextIterator {
 public:
     // The passed in UChar pointer starts at 'currentCharacter'. The iterator operatoes on the range [currentCharacter, lastCharacter].
     // 'endCharacter' denotes the maximum length of the UChar array, which might exceed 'lastCharacter'.
     SurrogatePairAwareTextIterator(const UChar*, int currentCharacter, int lastCharacter, int endCharacter);
 
     inline bool consume(UChar32& character, unsigned& clusterLength)
@@ skipping 25 matching lines @@
 
     const UChar* m_characters;
     int m_currentCharacter;
     int m_lastCharacter;
     int m_endCharacter;
 };
 
 }
 
 #endif