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

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

 // 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.
 
 #include "core/css/MediaQuery.h"
 
 #include "core/css/MediaList.h"
+#include "platform/wtf/text/StringBuilder.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include "wtf/text/StringBuilder.h"
 
 namespace blink {
 
 typedef struct {
   const char* input;
   const char* output;
 } TestCase;
 
 static void TestMediaQuery(TestCase test, MediaQuerySet& query_set) {
   StringBuilder output;
@@ skipping 161 matching lines @@
       {nullptr, nullptr}  // Do not remove the terminator line.
   };
 
   for (unsigned i = 0; test_cases[i].input; ++i) {
     MediaQuerySet* query_set = MediaQuerySet::Create(test_cases[i].input);
     TestMediaQuery(test_cases[i], *query_set);
   }
 }
 
 }  // namespace blink