[Chromoting] Enable jscompile for webapp unittests.

remoting/webapp/unittests/chrome_mocks.js

 // Copyright 2014 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 mock objects for the chrome platform to make
 // unit testing easier.
 
 Entry = function() {};
 
 var chromeMocks = {};
 
-(function(){
+chromeMocks.reset = function() {
 
 /**
  * @constructor
  */
-chromeMocks.Event = function() {
+chrome.Event = function() {
   this.listeners_ = [];
 };
 
 /** @param {Function} callback */
-chromeMocks.Event.prototype.addListener = function(callback) {
+chrome.Event.prototype.addListener = function(callback) {
   this.listeners_.push(callback);
 };
 
 /** @param {Function} callback */
-chromeMocks.Event.prototype.removeListener = function(callback) {
+chrome.Event.prototype.removeListener = function(callback) {
   for (var i = 0; i < this.listeners_.length; i++) {
     if (this.listeners_[i] === callback) {
       this.listeners_.splice(i, 1);
       break;
     }
   }
 };
 
 /**
  * @param {...*} var_args
  * @return {void}
  */
-chromeMocks.Event.prototype.mock$fire = function(var_args) {
+chrome.Event.prototype.mock$fire = function(var_args) {
   var params = Array.prototype.slice.call(arguments);
   this.listeners_.forEach(
       /** @param {Function} listener */
       function(listener){
         listener.apply(null, params);
       });
 };
 
-/** @type {Object} */
-chromeMocks.runtime = {};
-
-/** @constructor */
-chromeMocks.runtime.Port = function() {
-  this.onMessage = new chromeMocks.Event();
-  this.onDisconnect = new chromeMocks.Event();
-
-  /** @type {string} */
-  this.name = '';
-
-  /** @type {chrome.runtime.MessageSender} */
-  this.sender = null;
-};
-
-chromeMocks.runtime.Port.prototype.disconnect = function() {};
+/** @type {chrome.Event} */
+chrome.runtime.onMessage = new chrome.Event();
 
 /**
- * @param {Object} message
- */
-chromeMocks.runtime.Port.prototype.postMessage = function(message) {};
-
-/** @type {chromeMocks.Event} */
-chromeMocks.runtime.onMessage = new chromeMocks.Event();
-
-/**
+ * TODO(garykac): Function signature doesn't match chrome.runtime.sendMessage
+ * in chrome_proto.
+ *
  * @param {string?} extensionId
  * @param {*} message
  * @param {function(*)=} responseCallback
  */
-chromeMocks.runtime.sendMessage = function(extensionId, message,
-                                           responseCallback) {
+chrome.runtime.sendMessage = function(extensionId, message,
+                                      responseCallback) {
   base.debug.assert(
       extensionId === null,
       'The mock only supports sending messages to the same extension.');
   extensionId = chrome.runtime.id;
   window.requestAnimationFrame(function() {
     var message_copy = base.deepCopy(message);
-    chromeMocks.runtime.onMessage.mock$fire(
+    chrome.runtime.onMessage.mock$fire(
         message_copy, {id: extensionId}, responseCallback);
   });
 };
 
 /** @type {string} */
-chromeMocks.runtime.id = 'extensionId';
-
-/** @type {Object} */
-chromeMocks.storage = {};
+chrome.runtime.id = 'extensionId';
 
 // Sample implementation of chrome.StorageArea according to
 // https://developer.chrome.com/apps/storage#type-StorageArea
 /** @constructor */
-chromeMocks.StorageArea = function() {
+chrome.StorageArea = function() {
   /** @type {Object} */
   this.storage_ = {};
 };
 
 /**
  * @param {!Object} keys
  * @return {Array<string>}
  */
 function getKeys(keys) {
   if (typeof keys === 'string') {
     return [keys];
   } else if (typeof keys === 'object') {
     return Object.keys(keys);
   }
   return [];
 }
 
 /**
  * @param {!Object} keys
  * @param {Function} onDone
  */
-chromeMocks.StorageArea.prototype.get = function(keys, onDone) {
+chrome.StorageArea.prototype.get = function(keys, onDone) {
   if (!keys) {
     onDone(base.deepCopy(this.storage_));
     return;
   }
 
   var result = (typeof keys === 'object') ? keys : {};
   getKeys(keys).forEach(
       /** @param {string} key */
       function(key) {
         if (key in this.storage_) {
           result[key] = base.deepCopy(this.storage_[key]);
         }
       }, this);
   onDone(result);
 };
 
 /** @param {Object} value */
-chromeMocks.StorageArea.prototype.set = function(value) {
+chrome.StorageArea.prototype.set = function(value) {
   for (var key in value) {
     this.storage_[key] = base.deepCopy(value[key]);
   }
 };
 
 /**
  * @param {!Object} keys
  */
-chromeMocks.StorageArea.prototype.remove = function(keys) {
+chrome.StorageArea.prototype.remove = function(keys) {
   getKeys(keys).forEach(
       /** @param {string} key */
       function(key) {
         delete this.storage_[key];
       }, this);
 };
 
-chromeMocks.StorageArea.prototype.clear = function() {
+chrome.StorageArea.prototype.clear = function() {
   this.storage_ = null;
 };
 
-/** @type {chromeMocks.StorageArea} */
-chromeMocks.storage.local = new chromeMocks.StorageArea();
+/** @type {chrome.StorageArea} */
+chrome.storage.local = new chrome.StorageArea();
 
-var originals_ = null;
-
-/**
- * Activates a list of Chrome components to mock
- * @param {Array<string>} components
- */
-chromeMocks.activate = function(components) {
-  if (originals_) {
-    throw new Error('chromeMocks.activate() can only be called once.');
-  }
-  originals_ = {};
-  components.forEach(function(component) {
-    if (!chromeMocks[component]) {
-      throw new Error('No mocks defined for chrome.' + component);
-    }
-    originals_[component] = chrome[component];
-    chrome[component] = chromeMocks[component];
-  });
 };
-
-chromeMocks.restore = function() {
-  if (!originals_) {
-    throw new Error('You must call activate() before restore().');
-  }
-  for (var components in originals_) {
-    chrome[components] = originals_[components];
-  }
-  originals_ = null;
-};
-
-})();