Rewrite references to "wtf/" to "platform/wtf/" in core/{dom,html,xml}.

third_party/WebKit/Source/core/dom/FirstLetterPseudoElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
  * All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. 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 FirstLetterPseudoElement_h
 #define FirstLetterPseudoElement_h
 
 #include "core/dom/Document.h"
 #include "core/dom/PseudoElement.h"
-#include "wtf/text/WTFString.h"
+#include "platform/wtf/text/WTFString.h"
 
 namespace blink {
 
 class Element;
 class LayoutObject;
 class LayoutTextFragment;
 
 class FirstLetterPseudoElement final : public PseudoElement {
   WTF_MAKE_NONCOPYABLE(FirstLetterPseudoElement);
 
@@ skipping 27 matching lines @@
 
   LayoutTextFragment* remaining_text_layout_object_;
 };
 
 DEFINE_ELEMENT_TYPE_CASTS(FirstLetterPseudoElement,
                           IsFirstLetterPseudoElement());
 
 }  // namespace blink
 
 #endif  // FirstLetterPseudoElement_h