Move hello message from It2MeService to It2MeChannel

remoting/webapp/unittests/it2me_helper_channel_unittest.js

Index: remoting/webapp/unittests/it2me_helper_channel_unittest.js
diff --git a/remoting/webapp/unittests/it2me_helper_channel_unittest.js b/remoting/webapp/unittests/it2me_helper_channel_unittest.js
index b5511c33058c9c9a0ef7d3ceb1aea7589e0561d1..b2f76c25cbb2115e93578fd715400b84ed840aaf 100644
--- a/remoting/webapp/unittests/it2me_helper_channel_unittest.js
+++ b/remoting/webapp/unittests/it2me_helper_channel_unittest.js
@@ -61,6 +61,17 @@ function promiseResolveSynchronous(value) {
   };
 }
 
+test('onHangoutMessage_("hello") should return supportedFeatures', function() {
+  hangoutPort.onMessage.mock$fire(
+      { method: remoting.It2MeHelperChannel.HangoutMessageTypes.HELLO });
+
+  var spyCall = hangoutPort.postMessage.firstCall;
+  var message = spyCall.args[0];
+
+  QUnit.equal(message.method, 'helloResponse');
+  QUnit.ok(message.supportedFeatures instanceof Array);
+});
+
 test('onHangoutMessage_(|connect|) should launch the webapp',
     function() {
   sinon.assert.called(appLauncher.launch);
@@ -120,6 +131,12 @@ test('should notify hangout when the session is ended', function() {
     method:'sessionStateChanged',
     state:remoting.ClientSession.State.CLOSED
   });
+
+  sinon.assert.neverCalledWith(hangoutPort.postMessage, {
+    method:'sessionStateChanged',
+    state:remoting.ClientSession.State.FAILED
+  });
+
   sinon.assert.called(hangoutPort.disconnect);
   sinon.assert.calledOnce(disconnectCallback);
 });