Initial support for experimental touch-action CSS feature

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
  * are met:
@@ skipping 4481 matching lines @@
     case CSSValueLuminance:
         return MT_LUMINANCE;
     case CSSValueAlpha:
         return MT_ALPHA;
     }
 
     ASSERT_NOT_REACHED();
     return MT_LUMINANCE;
 }
 
+template<> inline CSSPrimitiveValue::CSSPrimitiveValue(TouchAction t)
+    : CSSValue(PrimitiveClass)
+{
+    m_primitiveUnitType = CSS_IDENT;
+    switch (t) {
+    case TouchActionNone:
+        m_value.ident = CSSValueNone;
+        break;
+    case TouchActionAuto:
+        m_value.ident = CSSValueAuto;
+        break;
+    }
+}
+
+template<> inline CSSPrimitiveValue::operator TouchAction() const
+{
+    switch (m_value.ident) {
+    case CSSValueNone:
+        return TouchActionNone;
+    case CSSValueAuto:
+        return TouchActionAuto;
+    }
+
+    ASSERT_NOT_REACHED();
+    return TouchActionNone;
+}
+
 }
 
 #endif