Unprefix -webkit-filter and add a pixel test for it.

sky/engine/core/css/parser/CSSPropertyParser.cpp

 /*
  * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
  * Copyright (C) 2012 Intel Corporation. All rights reserved.
  *
@@ skipping 936 matching lines @@
                 addProperty(propId, shadowValueList.release(), important);
                 m_valueList->next();
                 return true;
             }
             return false;
         }
         break;
     case CSSPropertyOpacity:
         validPrimitive = validUnit(value, FNumber);
         break;
-    case CSSPropertyWebkitFilter:
+    case CSSPropertyFilter:
         if (id == CSSValueNone)
             validPrimitive = true;
         else {
             RefPtr<CSSValue> val = parseFilter();
             if (val) {
                 addProperty(propId, val, important);
                 return true;
             }
             return false;
         }
@@ skipping 4542 matching lines @@
             CSSParserValue* argument = args->current();
             if (!validUnit(argument, FLength | FNonNeg, HTMLStandardMode))
                 return nullptr;
 
             filterValue->append(createPrimitiveNumericValue(argument));
         }
         break;
     }
     case CSSFilterValue::DropShadowFilterOperation: {
         // drop-shadow() takes a single shadow.
-        RefPtr<CSSValueList> shadowValueList = parseShadow(args, CSSPropertyWebkitFilter);
+        RefPtr<CSSValueList> shadowValueList = parseShadow(args, CSSPropertyFilter);
         if (!shadowValueList || shadowValueList->length() != 1)
             return nullptr;
 
         filterValue->append((shadowValueList.release())->item(0));
         break;
     }
     default:
         ASSERT_NOT_REACHED();
     }
     return filterValue.release();
@@ skipping 612 matching lines @@
         || equalIgnoringCase(token, "n") || equalIgnoringCase(token, "-n");
 }
 
 bool CSSPropertyParser::isSystemColor(int id)
 {
     // FIXME(sky): remove
     return false;
 }
 
 } // namespace blink