Remove -webkit-user-drag

sky/engine/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
  * are met:
@@ skipping 1255 matching lines @@
     case CSSValueWebkitPlaintext:
         return Plaintext;
     default:
         break;
     }
 
     ASSERT_NOT_REACHED();
     return UBNormal;
 }
 
-template<> inline CSSPrimitiveValue::CSSPrimitiveValue(EUserDrag e)
-    : CSSValue(PrimitiveClass)
-{
-    m_primitiveUnitType = CSS_VALUE_ID;
-    switch (e) {
-    case DRAG_AUTO:
-        m_value.valueID = CSSValueAuto;
-        break;
-    case DRAG_NONE:
-        m_value.valueID = CSSValueNone;
-        break;
-    case DRAG_ELEMENT:
-        m_value.valueID = CSSValueElement;
-        break;
-    default:
-        break;
-    }
-}
-
-template<> inline CSSPrimitiveValue::operator EUserDrag() const
-{
-    ASSERT(isValueID());
-    switch (m_value.valueID) {
-    case CSSValueAuto:
-        return DRAG_AUTO;
-    case CSSValueNone:
-        return DRAG_NONE;
-    case CSSValueElement:
-        return DRAG_ELEMENT;
-    default:
-        break;
-    }
-
-    ASSERT_NOT_REACHED();
-    return DRAG_AUTO;
-}
-
 template<> inline CSSPrimitiveValue::CSSPrimitiveValue(EUserModify e)
     : CSSValue(PrimitiveClass)
 {
     m_primitiveUnitType = CSS_VALUE_ID;
     switch (e) {
     case READ_ONLY:
         m_value.valueID = CSSValueReadOnly;
         break;
     case READ_WRITE:
         m_value.valueID = CSSValueReadWrite;
@@ skipping 1481 matching lines @@
     default:
         break;
     }
     ASSERT_NOT_REACHED();
     return OverflowAlignmentTrue;
 }
 
 }
 
 #endif  // SKY_ENGINE_CORE_CSS_CSSPRIMITIVEVALUEMAPPINGS_H_