Make TextAlignLast an enum class.

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

Index: third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h
diff --git a/third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h b/third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h
index 91e2a87d743525075cc1a35a836b737349a6c664..e0dbc4d51256969ca862258faa49473173c4e7e6 100644
--- a/third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h
+++ b/third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h
@@ -1099,25 +1099,25 @@ template <>
 inline CSSIdentifierValue::CSSIdentifierValue(TextAlignLast e)
     : CSSValue(kIdentifierClass) {
   switch (e) {
-    case kTextAlignLastStart:
+    case TextAlignLast::kStart:
       value_id_ = CSSValueStart;
       break;
-    case kTextAlignLastEnd:
+    case TextAlignLast::kEnd:
       value_id_ = CSSValueEnd;
       break;
-    case kTextAlignLastLeft:
+    case TextAlignLast::kLeft:
       value_id_ = CSSValueLeft;
       break;
-    case kTextAlignLastRight:
+    case TextAlignLast::kRight:
       value_id_ = CSSValueRight;
       break;
-    case kTextAlignLastCenter:
+    case TextAlignLast::kCenter:
       value_id_ = CSSValueCenter;
       break;
-    case kTextAlignLastJustify:
+    case TextAlignLast::kJustify:
       value_id_ = CSSValueJustify;
       break;
-    case kTextAlignLastAuto:
+    case TextAlignLast::kAuto:
       value_id_ = CSSValueAuto;
       break;
   }
@@ -1127,25 +1127,25 @@ template <>
 inline TextAlignLast CSSIdentifierValue::ConvertTo() const {
   switch (value_id_) {
     case CSSValueAuto:
-      return kTextAlignLastAuto;
+      return TextAlignLast::kAuto;
     case CSSValueStart:
-      return kTextAlignLastStart;
+      return TextAlignLast::kStart;
     case CSSValueEnd:
-      return kTextAlignLastEnd;
+      return TextAlignLast::kEnd;
     case CSSValueLeft:
-      return kTextAlignLastLeft;
+      return TextAlignLast::kLeft;
     case CSSValueRight:
-      return kTextAlignLastRight;
+      return TextAlignLast::kRight;
     case CSSValueCenter:
-      return kTextAlignLastCenter;
+      return TextAlignLast::kCenter;
     case CSSValueJustify:
-      return kTextAlignLastJustify;
+      return TextAlignLast::kJustify;
     default:
       break;
   }
 
   NOTREACHED();
-  return kTextAlignLastAuto;
+  return TextAlignLast::kAuto;
 }
 
 template <>