[runtime] Clean up symbol access in identity hash code

test/cctest/test-dictionary.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 64 matching lines @@
 
   // Keys should map back to their respective values and also should get
   // an identity hash code generated.
   for (int i = 0; i < 100; i++) {
     Handle<JSReceiver> key = factory->NewJSArray(7);
     Handle<JSObject> value = factory->NewJSArray(11);
     table = HashMap::Put(table, key, value);
     CHECK_EQ(table->NumberOfElements(), i + 1);
     CHECK_NE(table->FindEntry(key), HashMap::kNotFound);
     CHECK_EQ(table->Lookup(key), *value);
-    CHECK(key->GetIdentityHash()->IsSmi());
+    CHECK(JSReceiver::GetIdentityHash(isolate, key)->IsSmi());
   }
 
   // Keys never added to the map which already have an identity hash
   // code should not be found.
   for (int i = 0; i < 100; i++) {
     Handle<JSReceiver> key = factory->NewJSArray(7);
     CHECK(JSReceiver::GetOrCreateIdentityHash(key)->IsSmi());
     CHECK_EQ(table->FindEntry(key), HashMap::kNotFound);
     CHECK_EQ(table->Lookup(key), CcTest::heap()->the_hole_value());
-    CHECK(key->GetIdentityHash()->IsSmi());
+    CHECK(JSReceiver::GetIdentityHash(isolate, key)->IsSmi());
   }
 
   // Keys that don't have an identity hash should not be found and also
   // should not get an identity hash code generated.
   for (int i = 0; i < 100; i++) {
     Handle<JSReceiver> key = factory->NewJSArray(7);
     CHECK_EQ(table->Lookup(key), CcTest::heap()->the_hole_value());
-    Object* identity_hash = key->GetIdentityHash();
-    CHECK_EQ(identity_hash, CcTest::heap()->undefined_value());
+    Handle<Object> identity_hash = JSReceiver::GetIdentityHash(isolate, key);
+    CHECK_EQ(CcTest::heap()->undefined_value(), *identity_hash);
   }
 }
 
 
 TEST(HashMap) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
   Isolate* isolate = CcTest::i_isolate();
   TestHashMap(ObjectHashTable::New(isolate, 23));
 }
@@ skipping 121 matching lines @@
   dict->SetRequiresCopyOnCapacityChange();
   Handle<Name> key = isolate->factory()->InternalizeString(
       v8::Utils::OpenHandle(*v8_str("key")));
   Handle<Object> value = handle(Smi::FromInt(0), isolate);
   Handle<NameDictionary> new_dict =
       NameDictionary::Add(dict, key, value, PropertyDetails::Empty());
   CHECK_NE(*dict, *new_dict);
 }
 
 }  // namespace