CSSValue Immediates: Replace CSSPrimitiveValue usage with const references

Source/core/css/Counter.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 10 matching lines @@
 #ifndef Counter_h
 #define Counter_h
 
 #include "core/css/CSSValue.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class Counter : public RefCountedWillBeGarbageCollectedFinalized<Counter> {
 public:
-    static PassRefPtrWillBeRawPtr<Counter> create(CSSPrimitiveValue identifier, CSSPrimitiveValue listStyle, CSSPrimitiveValue separator)
+    static PassRefPtrWillBeRawPtr<Counter> create(const CSSPrimitiveValue& identifier, const CSSPrimitiveValue& listStyle, const CSSPrimitiveValue& separator)
     {
         return adoptRefWillBeNoop(new Counter(identifier, listStyle, separator));
     }
 
     String identifier() const { return toCSSPrimitiveValue(m_identifier).getStringValue(); }
     String listStyle() const { return toCSSPrimitiveValue(m_listStyle).getStringValue(); }
     String separator() const { return toCSSPrimitiveValue(m_separator).getStringValue(); }
 
     CSSValueID listStyleIdent() const { return toCSSPrimitiveValue(m_listStyle).getValueID(); }
 
-    void setIdentifier(CSSPrimitiveValue identifier) { m_identifier = identifier; }
-    void setListStyle(CSSPrimitiveValue listStyle) { m_listStyle = listStyle; }
-    void setSeparator(CSSPrimitiveValue separator) { m_separator = separator; }
+    void setIdentifier(const CSSPrimitiveValue& identifier) { m_identifier = identifier; }
+    void setListStyle(const CSSPrimitiveValue& listStyle) { m_listStyle = listStyle; }
+    void setSeparator(const CSSPrimitiveValue& separator) { m_separator = separator; }
 
     bool equals(const Counter& other) const
     {
         return identifier() == other.identifier()
             && listStyle() == other.listStyle()
             && separator() == other.separator();
     }
 
     DECLARE_TRACE();
 
 private:
-    Counter(CSSPrimitiveValue identifier, CSSPrimitiveValue listStyle, CSSPrimitiveValue separator)
+    Counter(const CSSPrimitiveValue& identifier, const CSSPrimitiveValue& listStyle, const CSSPrimitiveValue& separator)
         : m_identifier(identifier)
         , m_listStyle(listStyle)
         , m_separator(separator) { }
 
     CSSValue m_identifier; // string
     CSSValue m_listStyle; // ident
     CSSValue m_separator; // string
 };
 
 } // namespace blink
 
 #endif // Counter_h