Split out Attribute from CSSPrimitiveValue

Source/core/css/CSSPrimitiveValue.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2012 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 333 matching lines @@
 {
     cleanup();
 }
 
 void CSSPrimitiveValue::cleanup()
 {
     switch (type()) {
     case UnitType::CustomIdentifier:
     case UnitType::String:
     case UnitType::URI:
-    case UnitType::Attribute:
         if (m_value.string)
             m_value.string->deref();
         break;
     case UnitType::Calc:
         // We must not call deref() when oilpan is enabled because m_value.calc is traced.
 #if !ENABLE(OILPAN)
         m_value.calc->deref();
 #endif
         break;
     case UnitType::CalcPercentageWithNumber:
@@ skipping 373 matching lines @@
     }
     ASSERT_NOT_REACHED();
     return CSSPrimitiveValue::UnitType::Unknown;
 }
 
 String CSSPrimitiveValue::getStringValue() const
 {
     switch (type()) {
     case UnitType::CustomIdentifier:
     case UnitType::String:
-    case UnitType::Attribute:
     case UnitType::URI:
         return m_value.string;
     default:
         break;
     }
 
     ASSERT_NOT_REACHED();
     return String();
 }
 
@@ skipping 80 matching lines @@
     case UnitType::ViewportMin:
         return "vmin";
     case UnitType::ViewportMax:
         return "vmax";
     case UnitType::Unknown:
     case UnitType::CustomIdentifier:
     case UnitType::String:
     case UnitType::URI:
     case UnitType::ValueID:
     case UnitType::PropertyID:
-    case UnitType::Attribute:
     case UnitType::RGBColor:
     case UnitType::Calc:
     case UnitType::Shape:
     case UnitType::CalcPercentageWithNumber:
     case UnitType::CalcPercentageWithLength:
     case UnitType::QuirkyEms:
         break;
     };
     ASSERT_NOT_REACHED();
     return "";
@@ skipping 53 matching lines @@
     }
     case UnitType::URI:
         text = "url(" + quoteCSSURLIfNeeded(m_value.string) + ")";
         break;
     case UnitType::ValueID:
         text = valueName(m_value.valueID);
         break;
     case UnitType::PropertyID:
         text = propertyName(m_value.propertyID);
         break;
-    case UnitType::Attribute: {
-        StringBuilder result;
-        result.reserveCapacity(6 + m_value.string->length());
-        result.appendLiteral("attr(");
-        result.append(m_value.string);
-        result.append(')');
-
-        text = result.toString();
-        break;
-    }
     case UnitType::RGBColor: {
         text = Color(m_value.rgbcolor).serializedAsCSSComponentValue();
         break;
     }
     case UnitType::Calc:
         text = m_value.calc->customCSSText();
         break;
     case UnitType::Shape:
         text = m_value.shape->cssText();
         break;
@@ skipping 46 matching lines @@
     case UnitType::ViewportMax:
     case UnitType::Fraction:
         return m_value.num == other.m_value.num;
     case UnitType::PropertyID:
         return m_value.propertyID == other.m_value.propertyID;
     case UnitType::ValueID:
         return m_value.valueID == other.m_value.valueID;
     case UnitType::CustomIdentifier:
     case UnitType::String:
     case UnitType::URI:
-    case UnitType::Attribute:
         return equal(m_value.string, other.m_value.string);
     case UnitType::RGBColor:
         return m_value.rgbcolor == other.m_value.rgbcolor;
     case UnitType::Calc:
         return m_value.calc && other.m_value.calc && m_value.calc->equals(*other.m_value.calc);
     case UnitType::Shape:
         return m_value.shape && other.m_value.shape && m_value.shape->equals(*other.m_value.shape);
     case UnitType::Integer:
     case UnitType::Chs:
     case UnitType::CalcPercentageWithNumber:
@@ skipping 15 matching lines @@
         visitor->trace(m_value.shape);
         break;
     default:
         break;
     }
 #endif
     CSSValue::traceAfterDispatch(visitor);
 }
 
 } // namespace blink