mash: Disable ash_sysui; begin removal.

mash/session/session.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mash/session/session.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "mash/login/public/interfaces/login.mojom.h"
@@ skipping 12 matching lines @@
 
 namespace mash {
 namespace session {
 
 Session::Session() : screen_locked_(false) {}
 Session::~Session() {}
 
 void Session::OnStart(const shell::Identity& identity) {
   StartAppDriver();
   StartWindowManager();
-  StartSystemUI();
   StartQuickLaunch();
 }
 
 bool Session::OnConnect(const shell::Identity& remote_identity,
                         shell::InterfaceRegistry* registry) {
   registry->AddInterface<mojom::Session>(this);
   return true;
 }
 
 void Session::Logout() {
@@ skipping 44 matching lines @@
   bindings_.AddBinding(this, std::move(request));
 }
 
 void Session::StartWindowManager() {
   StartRestartableService(
       "mojo:ash",
       base::Bind(&Session::StartWindowManager,
                  base::Unretained(this)));
 }
 
-void Session::StartSystemUI() {
-  StartRestartableService("mojo:ash_sysui",
-                          base::Bind(&Session::StartSystemUI,
-                                     base::Unretained(this)));
-}
-
 void Session::StartAppDriver() {
   StartRestartableService(
       "mojo:app_driver",
       base::Bind(&Session::StartAppDriver, base::Unretained(this)));
 }
 
 void Session::StartQuickLaunch() {
   StartRestartableService(
       "mojo:quick_launch",
       base::Bind(&Session::StartQuickLaunch,
@@ skipping 23 matching lines @@
   // Note: |connection| may be null if we've lost our connection to the shell.
   if (connection) {
     connection->SetConnectionLostClosure(
         base::Bind(&LogAndCallServiceRestartCallback, url, restart_callback));
     connections_[url] = std::move(connection);
   }
 }
 
 }  // namespace session
 }  // namespace main