Add Mojo IPC based input-device service.

ash/shell.cc

 // Copyright (c) 2012 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 "ash/shell.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 
@@ skipping 1090 matching lines @@
 #if defined(OS_CHROMEOS)
   // Create the LogoutConfirmationController after the SystemTrayDelegate.
   logout_confirmation_controller_.reset(new LogoutConfirmationController(
       base::Bind(&SystemTrayDelegate::SignOut,
                  base::Unretained(system_tray_delegate_.get()))));
 
   // Create TouchTransformerController before
   // WindowTreeHostManager::InitDisplays()
   // since TouchTransformerController listens on
   // WindowTreeHostManager::Observer::OnDisplaysInitialized().
-  touch_transformer_controller_.reset(new TouchTransformerController());
+  if (!in_mus_)
+    touch_transformer_controller_.reset(new TouchTransformerController());
 #endif  // defined(OS_CHROMEOS)
 
   keyboard_ui_ = init_params.keyboard_factory.is_null()
                      ? KeyboardUI::Create()
                      : init_params.keyboard_factory.Run();
 
   window_tree_host_manager_->InitHosts();
 
 #if defined(OS_CHROMEOS)
   // Needs to be created after InitDisplays() since it may cause the virtual
@@ skipping 127 matching lines @@
 
 void Shell::OnWindowActivated(
     aura::client::ActivationChangeObserver::ActivationReason reason,
     aura::Window* gained_active,
     aura::Window* lost_active) {
   if (gained_active)
     target_root_window_ = gained_active->GetRootWindow();
 }
 
 }  // namespace ash