[Chromoting] Enable jscompile for webapp unittests.

remoting/webapp/unittests/event_hook_unittest.js

Index: remoting/webapp/unittests/event_hook_unittest.js
diff --git a/remoting/webapp/unittests/event_hook_unittest.js b/remoting/webapp/unittests/event_hook_unittest.js
index ee67d1f4a300a5b3174352627f159cc350a1c118..ba48e0b4f9c242fb2e2b7bf7557a0759016df11c 100644
--- a/remoting/webapp/unittests/event_hook_unittest.js
+++ b/remoting/webapp/unittests/event_hook_unittest.js
@@ -6,17 +6,29 @@
 
 'use strict';
 
+/** @type {base.EventSourceImpl} */
 var eventSource = null;
+
+/** @type {HTMLElement} */
 var domElement = null;
+
+/** @type {chrome.Event} */
 var myChromeEvent = null;
+
+/** @type {Listener} */
 var listener = null;
 
+/** @constructor */
 var Listener = function(element) {
-  this.onChromeEvent = sinon.stub();
-  this.onClickEvent = sinon.stub();
-  this.onCustomEvent = sinon.stub();
+  /** @type {(sinon.$spy|function(...?))} */
+  this.onChromeEvent = sinon.spy();
+  /** @type {(sinon.$spy|function(...?))} */
+  this.onClickEvent = sinon.spy();
+  /** @type {(sinon.$spy|function(...?))} */
+  this.onCustomEvent = sinon.spy();
+
   this.eventHooks_ = new base.Disposables(
-      new base.DomEventHook(element, 'click', this.onClickEvent.bind(this),
+      new base.DomEventHook(domElement, 'click', this.onClickEvent.bind(this),

[kelvinp, 2015/02/26 00:31:30]

should be element as it is passed through the constructor.  Or you can keep it
to be domElement and remove element from the constructor

[garykac, 2015/02/28 02:33:33]

I didn't see the 'element' param and thought it was undefined.

Reverted and added @param for element.

                             false),
       new base.EventHook(eventSource, 'customEvent',
                          this.onCustomEvent.bind(this)),
@@ -35,10 +47,10 @@ function raiseAllEvents() {
 
 module('base.EventHook', {
   setup: function() {
-    domElement = document.createElement('div');
+    domElement = /** @type {HTMLElement} */ (document.createElement('div'));
     eventSource = new base.EventSourceImpl();
     eventSource.defineEvents(['customEvent']);
-    myChromeEvent = new chromeMocks.Event();
+    myChromeEvent = new chrome.Event();
     listener = new Listener(domElement);
   },
   tearDown: function() {