[Chromoting] Enable jscompile for webapp unittests.

remoting/webapp/unittests/dns_blackhole_checker_unittest.js

Index: remoting/webapp/unittests/dns_blackhole_checker_unittest.js
diff --git a/remoting/webapp/unittests/dns_blackhole_checker_unittest.js b/remoting/webapp/unittests/dns_blackhole_checker_unittest.js
index 53a76ad5294b50979c0e8db4648b3766e4119e4e..13884e6a262b9dd1fc0d4b0c7f90b2c80be98605 100644
--- a/remoting/webapp/unittests/dns_blackhole_checker_unittest.js
+++ b/remoting/webapp/unittests/dns_blackhole_checker_unittest.js
@@ -2,18 +2,31 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+/**
+ * @fileoverview
+ * TODO(garykac): Create interface for SignalStrategy.
+ * @suppress {checkTypes|checkVars|reportUnknownTypes|visibility}
+ */
+
 (function() {
 
 'use strict';
 
+/** @type {(sinon.$spy|function(remoting.SignalStrategy.State))} */
 var onStateChange = null;
+
+/** @type {(sinon.$spy|function(Element):void)} */
 var onIncomingStanzaCallback = null;
+
+/** @type {remoting.DnsBlackholeChecker} */
 var checker = null;
+
+/** @type {remoting.MockSignalStrategy} */
 var signalStrategy = null;
 
 module('dns_blackhole_checker', {
   setup: function() {
-    sinon.stub(remoting.xhr, 'get');
+    sinon.$setupStub(remoting.xhr, 'get');
 
     onStateChange = sinon.spy();
     onIncomingStanzaCallback = sinon.spy();
@@ -41,13 +54,13 @@ module('dns_blackhole_checker', {
     onIncomingStanzaCallback = null;
     checker = null;
 
-    remoting.xhr.get.restore();
+    remoting.xhr.get.$testStub.restore();
   },
 });
 
 test('success',
   function() {
-    remoting.xhr.get.getCall(0).args[1]({status: 200});
+    remoting.xhr.get.$testStub.getCall(0).args[1]({status: 200});
     sinon.assert.notCalled(onStateChange);
 
     [
@@ -82,7 +95,7 @@ test('http response after connected',
 
     // Verify that DnsBlackholeChecker goes to CONNECTED state after the
     // the HTTP request has succeeded.
-    remoting.xhr.get.getCall(0).args[1]({status: 200});
+    remoting.xhr.get.$testStub.getCall(0).args[1]({status: 200});
     sinon.assert.calledWith(onStateChange,
                             remoting.SignalStrategy.State.CONNECTED);
   }
@@ -90,7 +103,7 @@ test('http response after connected',
 
 test('connect failed',
   function() {
-    remoting.xhr.get.getCall(0).args[1]({status: 200});
+    remoting.xhr.get.$testStub.getCall(0).args[1]({status: 200});
     sinon.assert.notCalled(onStateChange);
 
     [
@@ -105,7 +118,7 @@ test('connect failed',
 
 test('blocked',
   function() {
-    remoting.xhr.get.getCall(0).args[1]({status: 400});
+    remoting.xhr.get.$testStub.getCall(0).args[1]({status: 400});
     sinon.assert.calledWith(onStateChange,
                             remoting.SignalStrategy.State.FAILED);
     equal(checker.getError(), remoting.Error.NOT_AUTHORIZED);
@@ -143,7 +156,7 @@ test('blocked after connected',
 
     // Verify that DnsBlackholeChecker goes to FAILED state after it gets the
     // blocked HTTP response.
-    remoting.xhr.get.getCall(0).args[1]({status: 400});
+    remoting.xhr.get.$testStub.getCall(0).args[1]({status: 400});
     sinon.assert.calledWith(onStateChange,
                             remoting.SignalStrategy.State.FAILED);
     equal(checker.getError(), remoting.Error.NOT_AUTHORIZED);