Run jshint over all JavaScript files

chrome_test/tests/extension_test.js

 /*
  * Copyright (c) 2014 The Native Client Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
+/* globals TEST, EXPECT_EQ, ASSERT_EQ, chrometest */
+
 'use strict';
 
-
 TEST('ExtensionTest', 'testGetAllExtensions', function() {
   return chrometest.getAllExtensions().then(function(extensions) {
     ASSERT_EQ(3, extensions.length, 'there should be three extensions');
     var expected = [
       'Chrome Testing Extension',
       'Ping Test Extension',
       'TCP Interface',
     ];
     expected.sort();
     var actual = [];
@@ skipping 24 matching lines @@
   }).then(function(port) {
     keptPort = port;
     keptPort.postMessage({'name': 'ping', 'data': data});
     return port.wait();
   }).then(function(msg) {
     EXPECT_EQ('pong', msg.name, 'we should have gotten a pong');
     EXPECT_EQ(data, msg.data, 'we should get back what we sent');
     keptPort.disconnect();
   });
 });