Handle "url(...) none" and "url(...) currentColor" SVG paint specs

Source/core/css/SVGCSSParser.cpp

 /*
     Copyright (C) 2008 Eric Seidel <eric@webkit.org>
     Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
                   2004, 2005, 2007, 2010 Rob Buis <buis@kde.org>
     Copyright (C) 2005, 2006 Apple Computer, Inc.
 
     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.
@@ skipping 179 matching lines @@
                 parsedValue = SVGPaint::createCurrentColor();
             else if (isSystemColor(id))
                 parsedValue = SVGPaint::createColor(RenderTheme::theme().systemColor(id));
             else if (value->unit == CSSPrimitiveValue::CSS_URI) {
                 RGBA32 c = Color::transparent;
                 if (m_valueList->next()) {
                     if (parseColorFromValue(m_valueList->current(), c))
                         parsedValue = SVGPaint::createURIAndColor(value->string, c);
                     else if (m_valueList->current()->id == CSSValueNone)
                         parsedValue = SVGPaint::createURIAndNone(value->string);
+                    else if (m_valueList->current()->id == CSSValueCurrentcolor)
+                        parsedValue = SVGPaint::createURIAndCurrentColor(value->string);
                 }
                 if (!parsedValue)
                     parsedValue = SVGPaint::createURI(value->string);
             } else
                 parsedValue = parseSVGPaint();
 
             if (parsedValue)
                 m_valueList->next();
         }
         break;
@@ skipping 208 matching lines @@
         parsedValues->append(CSSPrimitiveValue::createIdentifier(CSSValueFill));
     if (!seenStroke)
         parsedValues->append(CSSPrimitiveValue::createIdentifier(CSSValueStroke));
     if (!seenMarkers)
         parsedValues->append(CSSPrimitiveValue::createIdentifier(CSSValueMarkers));
 
     return parsedValues.release();
 }
 
 }