Add CSS support for text-decoration-skip

third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h

 /*
  * Copyright (C) 2007 Alexey Proskuryakov <ap@nypop.com>.
  * Copyright (C) 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2009 Jeff Schiller <codedread@gmail.com>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ skipping 2103 matching lines @@
       break;
   }
 
   // FIXME: Implement support for 'under left' and 'under right' values.
 
   ASSERT_NOT_REACHED();
   return TextUnderlinePositionAuto;
 }
 
 template <>
+inline TextDecorationSkip CSSIdentifierValue::convertTo() const {
+  switch (m_valueID) {
+    case CSSValueObjects:
+      return TextDecorationSkipObjects;
+    case CSSValueInk:
+      return TextDecorationSkipInk;
+    default:
+      break;
+  }
+
+  NOTREACHED();
+  return TextDecorationSkipObjects;
+}
+
+template <>
 inline CSSIdentifierValue::CSSIdentifierValue(ETextSecurity e)
     : CSSValue(IdentifierClass) {
   switch (e) {
     case TSNONE:
       m_valueID = CSSValueNone;
       break;
     case TSDISC:
       m_valueID = CSSValueDisc;
       break;
     case TSCIRCLE:
@@ skipping 2398 matching lines @@
     default:
       break;
   }
   ASSERT_NOT_REACHED();
   return ContainsNone;
 }
 
 }  // namespace blink
 
 #endif