Use array literals instead of array constructor in native javascript.

src/object-observe.js

 // Copyright 2012 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.
 
 "use strict";
 
 // Overview:
 //
 // This file contains all of the routing and accounting for Object.observe.
 // User code will interact with these mechanisms via the Object.observe APIs
@@ skipping 576 matching lines @@
   if (!IS_NULL(pendingObservers)) {
     SetPendingObservers(null);
     for (var i in pendingObservers) {
       CallbackDeliverPending(pendingObservers[i]);
     }
   }
 }
 
 function SetupObjectObserve() {
   %CheckIsBootstrapping();
-  InstallFunctions($Object, DONT_ENUM, $Array(
+  InstallFunctions($Object, DONT_ENUM, [
     "deliverChangeRecords", ObjectDeliverChangeRecords,
     "getNotifier", ObjectGetNotifier,
     "observe", ObjectObserve,
     "unobserve", ObjectUnobserve
-  ));
-  InstallFunctions($Array, DONT_ENUM, $Array(
+  ]);
+  InstallFunctions($Array, DONT_ENUM, [
     "observe", ArrayObserve,
     "unobserve", ArrayUnobserve
-  ));
-  InstallFunctions(notifierPrototype, DONT_ENUM, $Array(
+  ]);
+  InstallFunctions(notifierPrototype, DONT_ENUM, [
     "notify", ObjectNotifierNotify,
     "performChange", ObjectNotifierPerformChange
-  ));
+  ]);
 }
 
 SetupObjectObserve();