[CSS Exclusions] Add CSS parsing support for image URI shape-inside and shape-outside values

Source/core/css/CSSComputedStyleDeclaration.cpp

 /*
  * Copyright (C) 2004 Zack Rusin <zack@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2011 Sencha, 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
@@ skipping 2573 matching lines @@
             return cssValuePool().createValue(style->regionOverflow());
         case CSSPropertyWebkitWrapFlow:
             return cssValuePool().createValue(style->wrapFlow());
         case CSSPropertyWebkitShapeMargin:
             return cssValuePool().createValue(style->shapeMargin());
         case CSSPropertyWebkitShapePadding:
             return cssValuePool().createValue(style->shapePadding());
         case CSSPropertyWebkitShapeInside:
             if (!style->shapeInside())
                 return cssValuePool().createIdentifierValue(CSSValueAuto);
-            else if (style->shapeInside()->type() == ExclusionShapeValue::OUTSIDE)
+            if (style->shapeInside()->type() == ExclusionShapeValue::Outside)
                 return cssValuePool().createIdentifierValue(CSSValueOutsideShape);
-            ASSERT(style->shapeInside()->type() == ExclusionShapeValue::SHAPE);
+            if (style->shapeInside()->type() == ExclusionShapeValue::Image) {
+                if (style->shapeInside()->image())
+                    return style->shapeInside()->image()->cssValue();
+                return cssValuePool().createIdentifierValue(CSSValueNone);
+            }
+            ASSERT(style->shapeInside()->type() == ExclusionShapeValue::Shape);
             return valueForBasicShape(style->shapeInside()->shape());
         case CSSPropertyWebkitShapeOutside:
             if (!style->shapeOutside())
                 return cssValuePool().createIdentifierValue(CSSValueAuto);
-            ASSERT(style->shapeOutside()->type() == ExclusionShapeValue::SHAPE);
+            if (style->shapeOutside()->type() == ExclusionShapeValue::Image) {
+                if (style->shapeOutside()->image())
+                    return style->shapeOutside()->image()->cssValue();
+                return cssValuePool().createIdentifierValue(CSSValueNone);
+            }
+            ASSERT(style->shapeOutside()->type() == ExclusionShapeValue::Shape);
             return valueForBasicShape(style->shapeOutside()->shape());
         case CSSPropertyWebkitWrapThrough:
             return cssValuePool().createValue(style->wrapThrough());
         case CSSPropertyWebkitFilter:
             return valueForFilter(renderer, style.get());
         case CSSPropertyMixBlendMode:
             return cssValuePool().createValue(style->blendMode());
             
         case CSSPropertyBackgroundBlendMode: {
             const FillLayer* layers = style->backgroundLayers();
@@ skipping 378 matching lines @@
     static const CSSPropertyID propertiesAfterSlashSeperator[3] = { CSSPropertyBackgroundSize, CSSPropertyBackgroundOrigin, 
                                                                     CSSPropertyBackgroundClip };
 
     RefPtr<CSSValueList> list = CSSValueList::createSlashSeparated();
     list->append(getCSSPropertyValuesForShorthandProperties(StylePropertyShorthand(propertiesBeforeSlashSeperator, WTF_ARRAY_LENGTH(propertiesBeforeSlashSeperator))));
     list->append(getCSSPropertyValuesForShorthandProperties(StylePropertyShorthand(propertiesAfterSlashSeperator, WTF_ARRAY_LENGTH(propertiesAfterSlashSeperator))));
     return list.release();
 }
 
 } // namespace WebCore