Upgrade V8 to version 4.9.385.28
https://chromium.googlesource.com/v8/v8/+/4.9.385.28
FPIIM-449
Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/src/js/promise-extra.js b/src/js/promise-extra.js
new file mode 100644
index 0000000..f6f7959
--- /dev/null
+++ b/src/js/promise-extra.js
@@ -0,0 +1,26 @@
+// Copyright 2015 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.
+
+(function(global, utils) {
+
+"use strict";
+
+%CheckIsBootstrapping();
+
+var GlobalPromise = global.Promise;
+
+var PromiseChain = utils.ImportNow("PromiseChain");
+var PromiseDeferred = utils.ImportNow("PromiseDeferred");
+var PromiseResolved = utils.ImportNow("PromiseResolved");
+
+utils.InstallFunctions(GlobalPromise.prototype, DONT_ENUM, [
+ "chain", PromiseChain,
+]);
+
+utils.InstallFunctions(GlobalPromise, DONT_ENUM, [
+ "defer", PromiseDeferred,
+ "accept", PromiseResolved,
+]);
+
+})