Made DesktopEnvironment responsible for creation of the disconnect window.

remoting/host/ipc_desktop_environment_unittest.cc

Index: remoting/host/ipc_desktop_environment_unittest.cc
diff --git a/remoting/host/ipc_desktop_environment_unittest.cc b/remoting/host/ipc_desktop_environment_unittest.cc
index c41af3c277a68e2109c1f7c6cccf617daace068a..ec6c257e77c711a188ef76499b0cac8f0dabb084 100644
--- a/remoting/host/ipc_desktop_environment_unittest.cc
+++ b/remoting/host/ipc_desktop_environment_unittest.cc
@@ -370,11 +370,6 @@ void IpcDesktopEnvironmentTest::CreateDesktopProcess() {
       .Times(AnyNumber())
       .WillRepeatedly(Return(false));
 
-  // 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.
   EXPECT_TRUE(desktop_process_->Start(
       desktop_environment_factory.PassAs<DesktopEnvironmentFactory>()));
 }