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

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc.
  * All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2014 Samsung Electronics. All rights reserved.
  *
@@ skipping 13 matching lines @@
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef NodeTraversal_h
 #define NodeTraversal_h
 
 #include "core/CoreExport.h"
 #include "core/dom/ContainerNode.h"
 #include "core/dom/Node.h"
-#include "wtf/Allocator.h"
+#include "platform/wtf/Allocator.h"
 
 namespace blink {
 
 template <class Iterator>
 class TraversalRange;
 template <class TraversalNext>
 class TraversalAncestorsIterator;
 template <class TraversalNext>
 class TraversalInclusiveAncestorsIterator;
 template <class TraversalNext>
@@ skipping 350 matching lines @@
 inline Node* NodeTraversal::ChildAtTemplate(NodeType& parent, unsigned index) {
   Node* child = parent.firstChild();
   while (child && index--)
     child = child->nextSibling();
   return child;
 }
 
 }  // namespace blink
 
 #endif