[CSS Shapes] Remove outside-shape CSS value

Source/core/rendering/shapes/ShapeOutsideInfo.cpp

 /*
  * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above
  *    copyright notice, this list of conditions and the following
  *    disclaimer.
@@ skipping 30 matching lines @@
     if (!box.isFloating() || !shapeValue)
         return false;
 
     switch (shapeValue->type()) {
     case ShapeValue::Shape:
         return shapeValue->shape();
     case ShapeValue::Image:
         return shapeValue->isImageValid() && checkShapeImageOrigin(box.document(), *(shapeValue->image()->cachedImage()));
     case ShapeValue::Box:
         return true;
-    case ShapeValue::Outside:
-        return false;
     }
 
     return false;
 }
 
 void ShapeOutsideInfo::updateDeltasForContainingBlockLine(const RenderBlockFlow& containingBlock, const FloatingObject& floatingObject, LayoutUnit lineTop, LayoutUnit lineHeight)
 {
     LayoutUnit borderBoxTop = containingBlock.logicalTopForFloat(&floatingObject) + containingBlock.marginBeforeForChild(&m_renderer);
     LayoutUnit borderBoxLineTop = lineTop - borderBoxTop;
 
@@ skipping 33 matching lines @@
     return m_renderer.style()->shapeOutside();
 }
 
 const RenderStyle* ShapeOutsideInfo::styleForWritingMode() const
 {
     ASSERT(m_renderer.containingBlock());
     return m_renderer.containingBlock()->style();
 }
 
 }