Rewrite references to "wtf/" to "platform/wtf/" in core/css and core/style.

third_party/WebKit/Source/core/css/CSSFontFamilyValue.h

 // Copyright 2016 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 CSSFontFamilyValue_h
 #define CSSFontFamilyValue_h
 
 #include "core/css/CSSValue.h"
-#include "wtf/text/WTFString.h"
+#include "platform/wtf/text/WTFString.h"
 
 namespace blink {
 
 class CSSFontFamilyValue : public CSSValue {
  public:
   static CSSFontFamilyValue* Create(const String& family_name);
 
   String Value() const { return string_; }
 
   String CustomCSSText() const;
@@ skipping 11 matching lines @@
 
   // TODO(sashab): Change this to an AtomicString.
   String string_;
 };
 
 DEFINE_CSS_VALUE_TYPE_CASTS(CSSFontFamilyValue, IsFontFamilyValue());
 
 }  // namespace blink
 
 #endif  // CSSFontFamilyValue_h