Add unit test for l10n.js

remoting/webapp/js_proto/chrome_proto.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file contains various hacks needed to inform JSCompiler of various
 // WebKit- and Chrome-specific properties and methods. It is used only with
 // JSCompiler to verify the type-correctness of our code.
 
 /** @type {Object} */
 var chrome = {};
@@ skipping 230 matching lines @@
   contains: function(permissions, callback) {},
   /**
    * @param {Object.<string>} permissions
    * @param {function(boolean):void} callback
    */
   request: function(permissions, callback) {}
 };
 
 
 /** @type {Object} */
-chrome.tabs;
+chrome.tabs = {};
 
 /** @param {function(chrome.Tab):void} callback */
-chrome.tabs.getCurrent = function(callback) {}
+chrome.tabs.getCurrent = function(callback) {};
 
 /** @constructor */
 chrome.Tab = function() {
   /** @type {boolean} */
   this.pinned = false;
   /** @type {number} */
   this.windowId = 0;
 };
 
 
 /** @type {Object} */
-chrome.windows;
+chrome.windows = {};
 
 /** @param {number} id
  *  @param {Object?} getInfo
  *  @param {function(chrome.Window):void} callback */
-chrome.windows.get = function(id, getInfo, callback) {}
+chrome.windows.get = function(id, getInfo, callback) {};
 
 /** @constructor */
 chrome.Window = function() {
   /** @type {string} */
   this.state = '';
   /** @type {string} */
   this.type = '';
 };
 
 /** @constructor */
@@ skipping 45 matching lines @@
   this.height = 0;
   /** @type {number} */
   this.top = 0;
   /** @type {number} */
   this.bottom = 0;
   /** @type {number} */
   this.left = 0;
   /** @type {number} */
   this.right = 0;
 };