Move rolling back badly parsed property to CSSPropertyParser::parseValue

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 102 matching lines @@
     , m_inParseShorthand(0)
     , m_currentShorthand(CSSPropertyInvalid)
     , m_implicitShorthand(false)
 {
 }
 
 bool CSSPropertyParser::parseValue(CSSPropertyID property, bool important,
     CSSParserValueList* valueList, const CSSParserContext& context, bool inViewport,
     WillBeHeapVector<CSSProperty, 256>& parsedProperties, CSSRuleSourceData::Type ruleType)
 {
+    int parsedPropertiesSize = parsedProperties.size();
+
     CSSPropertyParser parser(valueList, context, inViewport, parsedProperties, ruleType);
     bool parseSuccess = parser.parseValue(property, important);
 
     // This doesn't count UA style sheets
     if (parseSuccess && context.useCounter())
         context.useCounter()->count(context, property);
 
+    if (!parseSuccess)
+        parser.rollbackLastProperties(parsedProperties.size() - parsedPropertiesSize);
+
     return parseSuccess;
 }
 
 void CSSPropertyParser::addPropertyWithPrefixingVariant(CSSPropertyID propId, PassRefPtrWillBeRawPtr<CSSValue> value, bool important, bool implicit)
 {
     RefPtrWillBeRawPtr<CSSValue> val = value.get();
     addProperty(propId, value, important, implicit);
 
     CSSPropertyID prefixingVariant = prefixingVariantForPropertyId(propId);
     if (prefixingVariant == propId)
@@ skipping 8201 matching lines @@
             return nullptr;
         a = args->next();
 
         argNumber++;
     }
 
     return transformValue.release();
 }
 
 } // namespace blink