Refactor ParseObjectLiteral

This extracts the parsing of the ObjectLiteralProperty into its own
function. This is in preparation for adding support for parsing classes.

BUG=None
LOG=Y
R=dslomov@chromium.org, marja@chromium.org

Review URL: https://codereview.chromium.org/458613004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23249 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/parser.h

@@ -439,7 +439,8 @@ class ParserTraits {
   }
 
   static void CheckFunctionLiteralInsideTopLevelObjectLiteral(
-      Scope* scope, Expression* value, bool* has_function) {
+      Scope* scope, ObjectLiteralProperty* property, bool* has_function) {
+    Expression* value = property->value();
     if (scope->DeclarationScope()->is_global_scope() &&
         value->AsFunctionLiteral() != NULL) {
       *has_function = true;
@@ -529,6 +530,7 @@ class ParserTraits {
   static Literal* EmptyLiteral() {
     return NULL;
   }
+  static ObjectLiteralProperty* EmptyObjectLiteralProperty() { return NULL; }
 
   // Used in error return values.
   static ZoneList<Expression*>* NullExpressionList() {