include RefCounted.h where needed, only.

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

 // 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.
 
 #ifndef CSSVariableData_h
 #define CSSVariableData_h
 
 #include "core/css/StylePropertySet.h"
 #include "core/css/parser/CSSParserToken.h"
 #include "core/css/parser/CSSParserTokenRange.h"
-#include "wtf/RefCounted.h"
+#include "wtf/Forward.h"
+#include "wtf/PassRefPtr.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class CSSParserTokenRange;
 
 class CSSVariableData : public RefCounted<CSSVariableData> {
     WTF_MAKE_NONCOPYABLE(CSSVariableData);
     USING_FAST_MALLOC(CSSVariableData);
 public:
@@ skipping 39 matching lines @@
     const bool m_needsVariableResolution;
 
     // Parsed representation for @apply
     bool m_cachedPropertySet;
     Persistent<StylePropertySet> m_propertySet;
 };
 
 } // namespace blink
 
 #endif // CSSVariableData_h