Remove 'alphabetic' value from text-underline-position

Source/core/css/CSSPrimitiveValueMappings.h

Index: Source/core/css/CSSPrimitiveValueMappings.h
diff --git a/Source/core/css/CSSPrimitiveValueMappings.h b/Source/core/css/CSSPrimitiveValueMappings.h
index 2b293fa6b130f5a7aab7bc4bba7faadd92f68bcf..20c0b8ce0d89f55215488e1aeacb865718ee92f2 100644
--- a/Source/core/css/CSSPrimitiveValueMappings.h
+++ b/Source/core/css/CSSPrimitiveValueMappings.h
@@ -2505,9 +2505,6 @@ template<> inline CSSPrimitiveValue::CSSPrimitiveValue(TextUnderlinePosition e)
     case TextUnderlinePositionAuto:
         m_value.valueID = CSSValueAuto;
         break;
-    case TextUnderlinePositionAlphabetic:
-        m_value.valueID = CSSValueAlphabetic;
-        break;
     case TextUnderlinePositionUnder:
         m_value.valueID = CSSValueUnder;
         break;
@@ -2518,20 +2515,17 @@ template<> inline CSSPrimitiveValue::CSSPrimitiveValue(TextUnderlinePosition e)
 
 template<> inline CSSPrimitiveValue::operator TextUnderlinePosition() const
 {
+    // FIXME: Implement support for 'left' and 'right' values.
     ASSERT(isValueID());
     switch (m_value.valueID) {
     case CSSValueAuto:
         return TextUnderlinePositionAuto;
-    case CSSValueAlphabetic:
-        return TextUnderlinePositionAlphabetic;
     case CSSValueUnder:
         return TextUnderlinePositionUnder;
     default:
         break;
     }
 
-    // FIXME: Implement support for 'under left' and 'under right' values.

[Julien - ping for review, 2013/11/04 16:06:43]

What's wrong with this comment that you need to move it?

[abinader, 2013/11/04 16:38:02]

I thought it would make more sense by having the comment before the switch case,
but that's cosmetics, indeed. I'll undo this.

-
     ASSERT_NOT_REACHED();
     return TextUnderlinePositionAuto;
 }