Adding Angular and dependent packages for testing

third_party/pkg/update_js.sh

Index: third_party/pkg/update_js.sh
diff --git a/third_party/pkg/update_js.sh b/third_party/pkg/update_js.sh
new file mode 100755
index 0000000000000000000000000000000000000000..7d1d82c1cddd5e4eff9eedd85b191aaea20df6b4
--- /dev/null
+++ b/third_party/pkg/update_js.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+# Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+# for details. All rights reserved. Use of this source code is governed by a
+# BSD-style license that can be found in the LICENSE file.
+
+# bail on error
+set -e
+
+readonly DIR=$( cd $( dirname "${BASH_SOURCE[0]}" ) && pwd )
+pushd $DIR > /dev/null
+
+echo "*** Deleting old version"
+rm -rf js
+
+echo "*** Syncing code"
+git clone https://github.com/dart-lang/js-interop js
+
+pushd js > /dev/null
+readonly REVISION=`git rev-parse HEAD`
+rm -rf .git
+
+echo "${REVISION}" >> REVISION
+echo "*** Updated to revision $REVISION"