Add StylePath and use it to store 'd' in ComputedStyle

third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/css/parser/CSSPropertyParser.h"
 
 #include "core/StylePropertyShorthand.h"
 #include "core/css/CSSCalculationValue.h"
 #include "core/css/CSSCounterValue.h"
 #include "core/css/CSSCrossfadeValue.h"
@@ skipping 1919 matching lines @@
         return nullptr;
 
     // FIXME: Add support for <fill-rule>.
     CSSParserTokenRange functionRange = range;
     CSSParserTokenRange functionArgs = consumeFunction(functionRange);
 
     if (functionArgs.peek().type() != StringToken)
         return nullptr;
     String pathString = functionArgs.consumeIncludingWhitespace().value();
 
-    OwnPtr<SVGPathByteStream> byteStream = SVGPathByteStream::create();
+    RefPtr<SVGPathByteStream> byteStream = SVGPathByteStream::create();
     if (!buildByteStreamFromString(pathString, *byteStream) || !functionArgs.atEnd())
         return nullptr;
 
     range = functionRange;
     return CSSPathValue::create(byteStream.release());
 }
 
 static PassRefPtrWillBeRawPtr<CSSValue> consumePathOrNone(CSSParserTokenRange& range)
 {
     CSSValueID id = range.peek().id();
@@ skipping 1782 matching lines @@
         return consumeShorthandGreedily(webkitColumnRuleShorthand(), important);
     case CSSPropertyListStyle:
         return consumeShorthandGreedily(listStyleShorthand(), important);
     default:
         m_currentShorthand = oldShorthand;
         return false;
     }
 }
 
 } // namespace blink