[WIP][Ozone] Support external touchscreens

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 "ash/accelerators/accelerator_controller.h"
@@ skipping 101 matching lines @@
 #include "ui/wm/core/nested_accelerator_controller.h"
 #include "ui/wm/core/shadow_controller.h"
 #include "ui/wm/core/user_activity_detector.h"
 #include "ui/wm/core/visibility_controller.h"
 #include "ui/wm/core/window_modality_controller.h"
 
 #if defined(OS_CHROMEOS)
 #if defined(USE_X11)
 #include "ash/accelerators/magnifier_key_scroller.h"
 #include "ash/accelerators/spoken_feedback_toggler.h"
-#include "ash/touch/touch_transformer_controller.h"
 #include "ui/gfx/x/x11_types.h"
 #endif  // defined(USE_X11)
 #include "ash/ash_constants.h"
 #include "ash/display/display_change_observer_chromeos.h"
 #include "ash/display/display_configurator_animation.h"
 #include "ash/display/display_error_observer_chromeos.h"
 #include "ash/display/projecting_observer_chromeos.h"
 #include "ash/display/resolution_notification_controller.h"
 #include "ash/sticky_keys/sticky_keys_controller.h"
 #include "ash/system/chromeos/bluetooth/bluetooth_notification_controller.h"
 #include "ash/system/chromeos/brightness/brightness_controller_chromeos.h"
 #include "ash/system/chromeos/power/power_event_observer.h"
 #include "ash/system/chromeos/power/power_status.h"
 #include "ash/system/chromeos/power/video_activity_notifier.h"
 #include "ash/system/chromeos/session/last_window_closed_logout_reminder.h"
 #include "ash/system/chromeos/session/logout_confirmation_controller.h"
+#include "ash/touch/touch_transformer_controller.h"
 #include "base/bind_helpers.h"
 #include "base/sys_info.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "ui/chromeos/user_activity_power_manager_notifier.h"
 #include "ui/display/chromeos/display_configurator.h"
 #endif  // defined(OS_CHROMEOS)
 
 namespace ash {
 
 namespace {
@@ skipping 629 matching lines @@
 
   power_button_controller_.reset();
   lock_state_controller_.reset();
 
 #if defined(OS_CHROMEOS)
   resolution_notification_controller_.reset();
 #endif
   desktop_background_controller_.reset();
   mouse_cursor_filter_.reset();
 
-#if defined(OS_CHROMEOS) && defined(USE_X11)
+#if defined(OS_CHROMEOS)
   touch_transformer_controller_.reset();
-#endif  // defined(OS_CHROMEOS) && defined(USE_X11)
+#endif  // defined(OS_CHROMEOS)
 
   // This also deletes all RootWindows. Note that we invoke Shutdown() on
   // DisplayController before resetting |display_controller_|, since destruction
   // of its owned RootWindowControllers relies on the value.
   display_manager_->CreateScreenForShutdown();
   display_controller_->Shutdown();
   display_controller_.reset();
   virtual_keyboard_controller_.reset();
   screen_position_controller_.reset();
   accessibility_delegate_.reset();
@@ skipping 215 matching lines @@
   // Initialize system_tray_delegate_ after StatusAreaWidget is created.
   system_tray_delegate_->Initialize();
 
 #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()))));
 #endif
 
-#if defined(OS_CHROMEOS) && defined(USE_X11)
+#if defined(OS_CHROMEOS)
   // Create TouchTransformerController before DisplayController::InitDisplays()
   // since TouchTransformerController listens on
   // DisplayController::Observer::OnDisplaysInitialized().
   touch_transformer_controller_.reset(new TouchTransformerController());
-#endif  // defined(OS_CHROMEOS) && defined(USE_X11)
+#endif  // defined(OS_CHROMEOS)
 
   display_controller_->InitDisplays();
 
   // It needs to be created after RootWindowController has been created
   // (which calls OnWindowResized has been called, otherwise the
   // widget will not paint when restoring after a browser crash.  Also it needs
   // to be created after InitSecondaryDisplays() to initialize the wallpapers in
   // the correct size.
   user_wallpaper_delegate_->InitializeWallpaper();
 
@@ skipping 117 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 // Shell, aura::client::ActivationChangeObserver implementation:
 
 void Shell::OnWindowActivated(aura::Window* gained_active,
                               aura::Window* lost_active) {
   if (gained_active)
     target_root_window_ = gained_active->GetRootWindow();
 }
 
 }  // namespace ash