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

third_party/WebKit/Source/core/css/CSSCustomIdentValue.cpp

 // Copyright 2015 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.
 
 #include "core/css/CSSCustomIdentValue.h"
 
 #include "core/css/CSSMarkup.h"
-#include "wtf/text/StringBuilder.h"
-#include "wtf/text/WTFString.h"
+#include "platform/wtf/text/StringBuilder.h"
+#include "platform/wtf/text/WTFString.h"
 
 namespace blink {
 
 CSSCustomIdentValue::CSSCustomIdentValue(const AtomicString& str)
     : CSSValue(kCustomIdentClass),
       string_(str),
       property_id_(CSSPropertyInvalid) {}
 
 CSSCustomIdentValue::CSSCustomIdentValue(CSSPropertyID id)
     : CSSValue(kCustomIdentClass), string_(), property_id_(id) {
   DCHECK(IsKnownPropertyID());
 }
 
 String CSSCustomIdentValue::CustomCSSText() const {
   if (IsKnownPropertyID())
     return getPropertyNameAtomicString(property_id_);
   StringBuilder builder;
   SerializeIdentifier(string_, builder);
   return builder.ToString();
 }
 
 DEFINE_TRACE_AFTER_DISPATCH(CSSCustomIdentValue) {
   CSSValue::TraceAfterDispatch(visitor);
 }
 
 }  // namespace blink