Remove all ordering requirements in CSSValueKeywords.in (WIP)

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

Index: third_party/WebKit/Source/core/css/FontSize.h
diff --git a/third_party/WebKit/Source/core/css/FontSize.h b/third_party/WebKit/Source/core/css/FontSize.h
index d8c9d5bc20adaed0af47c080785d84c7c7ecf6aa..506e9b6c89b871889b6337c4a00889e773535cb5 100644
--- a/third_party/WebKit/Source/core/css/FontSize.h
+++ b/third_party/WebKit/Source/core/css/FontSize.h
@@ -51,11 +51,31 @@ class FontSize {
   // values from '1' to '8'.
   static unsigned keywordSize(CSSValueID valueID) {
     ASSERT(isValidValueID(valueID));
-    return valueID - CSSValueXxSmall + 1;
+    switch (valueID) {
+      case CSSValueXxSmall:
+        return 1;
+      case CSSValueXSmall:
+        return 2;
+      case CSSValueSmall:
+        return 3;
+      case CSSValueMedium:
+        return 4;
+      case CSSValueLarge:
+        return 5;
+      case CSSValueXLarge:
+        return 6;
+      case CSSValueXxLarge:
+        return 7;
+      case CSSValueWebkitXxxLarge:
+        return 8;
+      default:
+        NOTREACHED();
+        return 1;
+    }
   }
 
   static bool isValidValueID(CSSValueID valueID) {
-    return valueID >= CSSValueXxSmall && valueID <= CSSValueWebkitXxxLarge;
+    return valueID == CSSValueXxSmall || valueID == CSSValueXSmall || valueID == CSSValueSmall || valueID == CSSValueMedium || valueID == CSSValueLarge || valueID == CSSValueXLarge || valueID == CSSValueXxLarge || valueID == CSSValueWebkitXxxLarge;
   }
 
   static CSSValueID initialValueID() { return CSSValueMedium; }