Make sure to use CSSValueID and CSSPropertyID rather than integers.

Source/core/css/CSSGrammar.y.in

Index: Source/core/css/CSSGrammar.y.in
diff --git a/Source/core/css/CSSGrammar.y.in b/Source/core/css/CSSGrammar.y.in
index 63cacac5d92c0b9126962dfc1a6daed64bafde8e..6f375f2e6d33acd194a77e85fba727bad7d65a98 100644
--- a/Source/core/css/CSSGrammar.y.in
+++ b/Source/core/css/CSSGrammar.y.in
@@ -1670,7 +1670,7 @@ valid_expr:
         if ($$) {
             if ($2) {
                 CSSParserValue v;
-                v.id = 0;
+                v.id = CSSValueInvalid;
                 v.unit = CSSParserValue::Operator;
                 v.iValue = $2;
                 $$->addValue(v);
@@ -1701,21 +1701,21 @@ operator:
 term:
   unary_term maybe_space { $$ = $1; }
   | unary_operator unary_term maybe_space { $$ = $2; $$.fValue *= $1; }
-  | STRING maybe_space { $$.id = 0; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_STRING; }
+  | STRING maybe_space { $$.id = CSSValueInvalid; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_STRING; }
   | IDENT maybe_space {
       $$.id = cssValueKeywordID($1);
       $$.unit = CSSPrimitiveValue::CSS_IDENT;
       $$.string = $1;
   }
   /* We might need to actually parse the number from a dimension, but we can't just put something that uses $$.string into unary_term. */
-  | DIMEN maybe_space { $$.id = 0; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_DIMENSION; }
-  | unary_operator DIMEN maybe_space { $$.id = 0; $$.string = $2; $$.unit = CSSPrimitiveValue::CSS_DIMENSION; }
-  | URI maybe_space { $$.id = 0; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_URI; }
-  | UNICODERANGE maybe_space { $$.id = 0; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_UNICODE_RANGE; }
-  | HEX maybe_space { $$.id = 0; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_PARSER_HEXCOLOR; }
-  | '#' maybe_space { $$.id = 0; $$.string = CSSParserString(); $$.unit = CSSPrimitiveValue::CSS_PARSER_HEXCOLOR; } /* Handle error case: "color: #;" */
+  | DIMEN maybe_space { $$.id = CSSValueInvalid; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_DIMENSION; }
+  | unary_operator DIMEN maybe_space { $$.id = CSSValueInvalid; $$.string = $2; $$.unit = CSSPrimitiveValue::CSS_DIMENSION; }
+  | URI maybe_space { $$.id = CSSValueInvalid; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_URI; }
+  | UNICODERANGE maybe_space { $$.id = CSSValueInvalid; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_UNICODE_RANGE; }
+  | HEX maybe_space { $$.id = CSSValueInvalid; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_PARSER_HEXCOLOR; }
+  | '#' maybe_space { $$.id = CSSValueInvalid; $$.string = CSSParserString(); $$.unit = CSSPrimitiveValue::CSS_PARSER_HEXCOLOR; } /* Handle error case: "color: #;" */
   | VARFUNCTION maybe_space IDENT closing_parenthesis maybe_space {
-      $$.id = 0;
+      $$.id = CSSValueInvalid;
       $$.string = $3;
       $$.unit = CSSPrimitiveValue::CSS_VARIABLE_NAME;
   }
@@ -1730,7 +1730,7 @@ term:
       $$ = $1;
   }
   | '%' maybe_space { /* Handle width: %; */
-      $$.id = 0; $$.unit = 0;
+      $$.id = CSSValueInvalid; $$.unit = 0;
   }
   ;
 
@@ -1777,7 +1777,7 @@ function:
             CSSParserFunction* f = parser->createFloatingFunction();
             f->name = $1;
             f->args = parser->sinkFloatingValueList($3);
-            $$.id = 0;
+            $$.id = CSSValueInvalid;
             $$.unit = CSSParserValue::Function;
             $$.function = f;
         } else
@@ -1788,7 +1788,7 @@ function:
         f->name = $1;
         CSSParserValueList* valueList = parser->createFloatingValueList();
         f->args = parser->sinkFloatingValueList(valueList);
-        $$.id = 0;
+        $$.id = CSSValueInvalid;
         $$.unit = CSSParserValue::Function;
         $$.function = f;
     } |
@@ -1800,7 +1800,7 @@ function:
 calc_func_term:
   unary_term { $$ = $1; }
   | VARFUNCTION maybe_space IDENT closing_parenthesis {
-      $$.id = 0;
+      $$.id = CSSValueInvalid;
       $$.string = $3;
       $$.unit = CSSPrimitiveValue::CSS_VARIABLE_NAME;
   }
@@ -1832,7 +1832,7 @@ calc_func_paren_expr:
         if ($3) {
             $$ = $3;
             CSSParserValue v;
-            v.id = 0;
+            v.id = CSSValueInvalid;
             v.unit = CSSParserValue::Operator;
             v.iValue = '(';
             $$->insertValueAt(0, v);
@@ -1860,7 +1860,7 @@ valid_calc_func_expr:
         if ($1 && $2) {
             $$ = $1;
             CSSParserValue v;
-            v.id = 0;
+            v.id = CSSValueInvalid;
             v.unit = CSSParserValue::Operator;
             v.iValue = $2;
             $$->addValue(v);
@@ -1873,7 +1873,7 @@ valid_calc_func_expr:
         if ($1 && $2 && $3) {
             $$ = $1;
             CSSParserValue v;
-            v.id = 0;
+            v.id = CSSValueInvalid;
             v.unit = CSSParserValue::Operator;
             v.iValue = $2;
             $$->addValue(v);
@@ -1892,7 +1892,7 @@ calc_func_expr_list:
         if ($1 && $4) {
             $$ = $1;
             CSSParserValue v;
-            v.id = 0;
+            v.id = CSSValueInvalid;
             v.unit = CSSParserValue::Operator;
             v.iValue = ',';
             $$->addValue(v);
@@ -1907,7 +1907,7 @@ calc_function:
         CSSParserFunction* f = parser->createFloatingFunction();
         f->name = $1;
         f->args = parser->sinkFloatingValueList($3);
-        $$.id = 0;
+        $$.id = CSSValueInvalid;
         $$.unit = CSSParserValue::Function;
         $$.function = f;
     }
@@ -1931,7 +1931,7 @@ min_or_max_function:
         CSSParserFunction* f = parser->createFloatingFunction();
         f->name = $1;
         f->args = parser->sinkFloatingValueList($3);
-        $$.id = 0;
+        $$.id = CSSValueInvalid;
         $$.unit = CSSParserValue::Function;
         $$.function = f;
     }