Refactor propagation of parsing errors for SVG attributes

third_party/WebKit/Source/core/svg/SVGStaticStringList.cpp

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 79 matching lines @@
 }
 
 SVGStringListTearOff* SVGStaticStringList::tearOff()
 {
     if (!m_tearOff)
         m_tearOff = SVGStringListTearOff::create(m_value, contextElement(), PropertyIsNotAnimVal, attributeName());
 
     return m_tearOff.get();
 }
 
-void SVGStaticStringList::setBaseValueAsString(const String& value, SVGParsingError& parseError)
+SVGParsingError SVGStaticStringList::setBaseValueAsString(const String& value)
 {
-    TrackExceptionState es;
-
-    m_value->setValueAsString(value, es);
-
-    if (es.hadException())
-        parseError = ParsingAttributeFailedError;
+    return m_value->setValueAsString(value);
 }
 
 }