Partial implementation of CSSVariablesMap for CSS Variables CSSOM

Source/core/css/CSSComputedStyleDeclaration.h

 /*
  * Copyright (C) 2004 Zack Rusin <zack@kde.org>
  * Copyright (C) 2004, 2005, 2006, 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 Lesser 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  * 02110-1301  USA
  */
 
 #ifndef CSSComputedStyleDeclaration_h
 #define CSSComputedStyleDeclaration_h
 
 #include "core/css/CSSStyleDeclaration.h"
 #include "core/rendering/style/RenderStyleConstants.h"
+#include "wtf/HashMap.h"
 #include "wtf/RefPtr.h"
+#include "wtf/text/AtomicString.h"
+#include "wtf/text/AtomicStringHash.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 class CSSPrimitiveValue;
 class CSSValueList;
 class Color;
 class MutableStylePropertySet;
 class Node;
 class RenderObject;
@@ skipping 53 matching lines @@
     virtual String getPropertyShorthand(const String& propertyName);
     virtual bool isPropertyImplicit(const String& propertyName);
     virtual void setProperty(const String& propertyName, const String& value, const String& priority, ExceptionCode&);
     virtual String removeProperty(const String& propertyName, ExceptionCode&);
     virtual String cssText() const;
     virtual void setCssText(const String&, ExceptionCode&);
     virtual PassRefPtr<CSSValue> getPropertyCSSValueInternal(CSSPropertyID);
     virtual String getPropertyValueInternal(CSSPropertyID);
     virtual void setPropertyInternal(CSSPropertyID, const String& value, bool important, ExceptionCode&);
 
+    const HashMap<AtomicString, String>* variableMap() const;
+    virtual unsigned variableCount() const OVERRIDE;
+    virtual String variableValue(const AtomicString& name) const OVERRIDE;
+    virtual void setVariableValue(const AtomicString& name, const String& value, ExceptionCode&) OVERRIDE;
+    virtual bool removeVariable(const AtomicString& name) OVERRIDE;
+    virtual void clearVariables(ExceptionCode&) OVERRIDE;
+
     virtual bool cssPropertyMatches(CSSPropertyID, const CSSValue*) const OVERRIDE;
 
     PassRefPtr<CSSValue> valueForShadow(const ShadowData*, CSSPropertyID, const RenderStyle*) const;
     PassRefPtr<CSSPrimitiveValue> currentColorOrValidColor(RenderStyle*, const Color&) const;
     PassRefPtr<SVGPaint> adjustSVGPaintForCurrentColor(PassRefPtr<SVGPaint>, RenderStyle*) const;
 
     PassRefPtr<CSSValue> valueForFilter(const RenderObject*, const RenderStyle*) const;
 
     PassRefPtr<CSSValueList> getCSSPropertyValuesForShorthandProperties(const StylePropertyShorthand&) const;
     PassRefPtr<CSSValueList> getCSSPropertyValuesForSidesShorthand(const StylePropertyShorthand&) const;
     PassRefPtr<CSSValueList> getBackgroundShorthandValue() const;
     PassRefPtr<CSSValueList> getCSSPropertyValuesForGridShorthand(const StylePropertyShorthand&) const;
 
     RefPtr<Node> m_node;
     PseudoId m_pseudoElementSpecifier;
     bool m_allowVisitedStyle;
     unsigned m_refCount;
 };
 
 } // namespace WebCore
 
 #endif // CSSComputedStyleDeclaration_h