Reduce code duplication for parsing clip-path/filter

Source/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 8211 matching lines @@
             || (id >= CSSValueCentral && id <= CSSValueMathematical))
             validPrimitive = true;
         break;
 
     case CSSPropertyEnableBackground:
     // accumulate | new [x] [y] [width] [height] | inherit
         if (id == CSSValueAccumulate) // TODO : new
             validPrimitive = true;
         break;
 
+    case CSSPropertyClipPath:
+    case CSSPropertyFilter:
     case CSSPropertyMarkerStart:
     case CSSPropertyMarkerMid:
     case CSSPropertyMarkerEnd:
     case CSSPropertyMask:
         if (id == CSSValueNone) {
             validPrimitive = true;
         } else if (value->unit == CSSPrimitiveValue::CSS_URI) {
             parsedValue = CSSPrimitiveValue::create(value->string, CSSPrimitiveValue::CSS_URI);
             if (parsedValue)
                 m_valueList->next();
@@ skipping 147 matching lines @@
 
     case CSSPropertyStrokeWidth: // <length> | inherit
     case CSSPropertyStrokeDashoffset:
         validPrimitive = validUnit(value, FLength | FPercent, SVGAttributeMode);
         break;
     case CSSPropertyStrokeDasharray: // none | <dasharray> | inherit
         if (id == CSSValueNone)
             validPrimitive = true;
         else
             parsedValue = parseSVGStrokeDasharray();
-
         break;
 
-    case CSSPropertyClipPath: // <uri> | none | inherit
-    case CSSPropertyFilter:
-        if (id == CSSValueNone) {
-            validPrimitive = true;
-        } else if (value->unit == CSSPrimitiveValue::CSS_URI) {
-            parsedValue = CSSPrimitiveValue::create(value->string, (CSSPrimitiveValue::UnitType) value->unit);
-            if (parsedValue)
-                m_valueList->next();
-        }
-        break;
     case CSSPropertyMaskType: // luminance | alpha | inherit
         if (id == CSSValueLuminance || id == CSSValueAlpha)
             validPrimitive = true;
         break;
 
     /* shorthand properties */
     case CSSPropertyMarker: {
         ShorthandScope scope(this, propId);
         CSSPropertyParser::ImplicitScope implicitScope(this, PropertyImplicit);
         if (!parseValue(CSSPropertyMarkerStart, important))
@@ skipping 110 matching lines @@
         parsedValues->append(CSSPrimitiveValue::createIdentifier(CSSValueFill));
     if (!seenStroke)
         parsedValues->append(CSSPrimitiveValue::createIdentifier(CSSValueStroke));
     if (!seenMarkers)
         parsedValues->append(CSSPrimitiveValue::createIdentifier(CSSValueMarkers));
 
     return parsedValues.release();
 }
 
 } // namespace blink