Made DesktopEnvironment responsible for creation of the disconnect window.

remoting/host/desktop_process_unittest.cc

Index: remoting/host/desktop_process_unittest.cc
diff --git a/remoting/host/desktop_process_unittest.cc b/remoting/host/desktop_process_unittest.cc
index 5814244bd9476c784de479003961b24d051d4e2a..b861cf08fa890cc6095ba5d9c98f803023d205bd 100644
--- a/remoting/host/desktop_process_unittest.cc
+++ b/remoting/host/desktop_process_unittest.cc
@@ -287,11 +287,6 @@ void DesktopProcessTest::SendCrashRequest() {
 }
 
 void DesktopProcessTest::SendStartSessionAgent() {
-  // TODO(alexeypa): Fix DesktopProcess to use the desktop environment
-  // to create the disconnect window instead of directly calling
-  // DisconnectWindow::Create(). This will take care of "Uninteresting mock
-  // function call" warnings printed when DisconnectWindow::Show() and
-  // DisconnectWindow::Hide() are called.
   network_channel_->Send(new ChromotingNetworkDesktopMsg_StartSessionAgent(
       "user@domain/rest-of-jid", ScreenResolution()));
 }