A11y setting: mono audio UI

ash/shell.h

 // 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.
 
 #ifndef ASH_SHELL_H_
 #define ASH_SHELL_H_
 
 #include <memory>
 #include <utility>
 #include <vector>
@@ skipping 28 matching lines @@
 namespace client {
 class ActivationClient;
 class FocusClient;
 }
 }
 
 namespace base {
 class SequencedWorkerPool;
 }
 
+namespace chromeos {
+class AudioA11yController;
+}
+
 namespace gfx {
 class ImageSkia;
 class Point;
 class Rect;
 }
 
 namespace ui {
 class DisplayConfigurator;
 class Layer;
 class UserActivityDetector;
@@ skipping 482 matching lines @@
     return logout_confirmation_controller_.get();
   }
 
   ScreenOrientationController* screen_orientation_controller() {
     return screen_orientation_controller_.get();
   }
 
   VirtualKeyboardController* virtual_keyboard_controller() {
     return virtual_keyboard_controller_.get();
   }
+
+  chromeos::AudioA11yController* audio_a11y_controller() {
+    return audio_a11y_controller_.get();
+  }
 #endif  // defined(OS_CHROMEOS)
 
   ShelfModel* shelf_model() {
     return shelf_model_.get();
   }
 
   WindowPositioner* window_positioner() {
     return window_positioner_.get();
   }
 
@@ skipping 169 matching lines @@
   std::unique_ptr<VideoActivityNotifier> video_activity_notifier_;
   std::unique_ptr<StickyKeysController> sticky_keys_controller_;
   std::unique_ptr<ResolutionNotificationController>
       resolution_notification_controller_;
   std::unique_ptr<BluetoothNotificationController>
       bluetooth_notification_controller_;
   std::unique_ptr<LogoutConfirmationController> logout_confirmation_controller_;
   std::unique_ptr<LastWindowClosedLogoutReminder>
       last_window_closed_logout_reminder_;
   std::unique_ptr<VirtualKeyboardController> virtual_keyboard_controller_;
+  std::unique_ptr<chromeos::AudioA11yController> audio_a11y_controller_;
   // Controls video output device state.
   std::unique_ptr<ui::DisplayConfigurator> display_configurator_;
   std::unique_ptr<DisplayColorManager> display_color_manager_;
   std::unique_ptr<DisplayErrorObserver> display_error_observer_;
   std::unique_ptr<ProjectingObserver> projecting_observer_;
 
   // Listens for output changes and updates the display manager.
   std::unique_ptr<DisplayChangeObserver> display_change_observer_;
 
   // Implements content::ScreenOrientationController for ChromeOS
@@ skipping 31 matching lines @@
   bool in_mus_ = false;
 
   std::unique_ptr<KeyboardUI> keyboard_ui_;
 
   DISALLOW_COPY_AND_ASSIGN(Shell);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELL_H_