Add parsing for object types

test/mjsunit/harmony/typesystem/object-types.js

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Flags: --harmony-types
 
 
 load("test/mjsunit/harmony/typesystem/typegen.js");
 
 
 // In all the following functions, the size parameter (positive integer)
 // denotes how many test cases will be tried.  The variable test_size
 // controls execution time of this test.  It should not be too high.
 let test_size = 1000;
 
 
-(function TestTupleTypes(size) {
+(function TestObjectTypes(size) {
   Test(size, [
-    new TestGen(4, ValidTupleTypes, [CheckValid]),
-    new TestGen(1, InvalidTupleTypes, [CheckInvalid])
+    new TestGen(4, ValidObjectTypes, [CheckValid]),
+    new TestGen(1, InvalidObjectTypes, [CheckInvalid])
   ]);
 })(test_size);