Rename LayoutBox to CSSBoxType

Source/core/css/CSSPrimitiveValueMappings.h

 /*
  * Copyright (C) 2007 Alexey Proskuryakov <ap@nypop.com>.
  * Copyright (C) 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2009 Jeff Schiller <codedread@gmail.com>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ skipping 4688 matching lines @@
     case CSSValueScript:
         return TouchActionDelayScript;
     default:
         break;
     }
 
     ASSERT_NOT_REACHED();
     return TouchActionDelayNone;
 }
 
-template<> inline CSSPrimitiveValue::CSSPrimitiveValue(LayoutBox layoutBox)
+template<> inline CSSPrimitiveValue::CSSPrimitiveValue(CSSBoxType cssBox)
     : CSSValue(PrimitiveClass)
 {
     m_primitiveUnitType = CSS_VALUE_ID;
-    switch (layoutBox) {
+    switch (cssBox) {
     case MarginBox:
         m_value.valueID = CSSValueMarginBox;
         break;
     case BorderBox:
         m_value.valueID = CSSValueBorderBox;
         break;
     case PaddingBox:
         m_value.valueID = CSSValuePaddingBox;
         break;
     case ContentBox:
         m_value.valueID = CSSValueContentBox;
         break;
     case BoxMissing:
         // The missing box should convert to a null primitive value.
         ASSERT_NOT_REACHED();
     }
 }
 
-template<> inline CSSPrimitiveValue::operator LayoutBox() const
+template<> inline CSSPrimitiveValue::operator CSSBoxType() const
 {
     switch (getValueID()) {
     case CSSValueMarginBox:
         return MarginBox;
     case CSSValueBorderBox:
         return BorderBox;
     case CSSValuePaddingBox:
         return PaddingBox;
     case CSSValueContentBox:
         return ContentBox;
@@ skipping 141 matching lines @@
     default:
         break;
     }
     ASSERT_NOT_REACHED();
     return ScrollBehaviorInstant;
 }
 
 }
 
 #endif