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

third_party/WebKit/Source/core/html/HTMLImageFallbackHelper.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef HTMLImageFallbackHelper_h
 #define HTMLImageFallbackHelper_h
 
-#include "wtf/Allocator.h"
-#include "wtf/PassRefPtr.h"
+#include "platform/wtf/Allocator.h"
+#include "platform/wtf/PassRefPtr.h"
 
 namespace blink {
 
 class Element;
 class ComputedStyle;
 
 class HTMLImageFallbackHelper {
   STATIC_ONLY(HTMLImageFallbackHelper);
 
  public:
   static void CreateAltTextShadowTree(Element&);
   static PassRefPtr<ComputedStyle> CustomStyleForAltText(
       Element&,
       PassRefPtr<ComputedStyle> new_style);
 };
 
 }  // namespace blink
 
 #endif  // HTMLImageFallbackHelper_h