CSSValue Immediates: Replace CSSPrimitiveValue usage with const references

Source/core/css/Rect.h

 /*
  * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 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 13 matching lines @@
 #include "core/CoreExport.h"
 #include "core/css/CSSValue.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/StringBuilder.h"
 
 namespace blink {
 
 class CORE_EXPORT RectBase : public RefCountedWillBeGarbageCollectedFinalized<RectBase> {
     DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(RectBase);
 public:
-    CSSPrimitiveValue top() const { return toCSSPrimitiveValue(*m_top); }
-    CSSPrimitiveValue right() const { return toCSSPrimitiveValue(*m_right); }
-    CSSPrimitiveValue bottom() const { return toCSSPrimitiveValue(*m_bottom); }
-    CSSPrimitiveValue left() const { return toCSSPrimitiveValue(*m_left); }
+    const CSSPrimitiveValue& top() const { return toCSSPrimitiveValue(*m_top); }
+    const CSSPrimitiveValue& right() const { return toCSSPrimitiveValue(*m_right); }
+    const CSSPrimitiveValue& bottom() const { return toCSSPrimitiveValue(*m_bottom); }
+    const CSSPrimitiveValue& left() const { return toCSSPrimitiveValue(*m_left); }
 
-    void setTop(CSSPrimitiveValue top) { m_top = top; }
-    void setRight(CSSPrimitiveValue right) { m_right = right; }
-    void setBottom(CSSPrimitiveValue bottom) { m_bottom = bottom; }
-    void setLeft(CSSPrimitiveValue left) { m_left = left; }
+    void setTop(const CSSPrimitiveValue& top) { m_top = top; }
+    void setRight(const CSSPrimitiveValue& right) { m_right = right; }
+    void setBottom(const CSSPrimitiveValue& bottom) { m_bottom = bottom; }
+    void setLeft(const CSSPrimitiveValue& left) { m_left = left; }
 
     bool equals(const RectBase& other) const
     {
         return m_top == other.m_top
             && m_right == other.m_right
             && m_left == other.m_left
             && m_bottom == other.m_bottom;
     }
 
     DECLARE_TRACE();
@@ skipping 62 matching lines @@
     }
 
     // NOTE: If adding fields to this class please make the RectBase trace
     // method virtual and add a trace method in this subclass tracing the new
     // fields.
 };
 
 } // namespace blink
 
 #endif // Rect_h