Allow dynamic enabling/disabling of unified desktop

ash/accelerators/accelerator_controller.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/accelerators/accelerator_controller.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 
@@ skipping 833 matching lines @@
       return CanHandleSwitchIme(ime_control_delegate_.get(), accelerator);
     case TOGGLE_APP_LIST:
       return CanHandleToggleAppList(accelerator, previous_accelerator);
     case WINDOW_CYCLE_SNAP_DOCK_LEFT:
     case WINDOW_CYCLE_SNAP_DOCK_RIGHT:
       return CanHandleWindowSnapOrDock();
     case WINDOW_POSITION_CENTER:
       return CanHandlePositionCenter();
 #if defined(OS_CHROMEOS)
     case DEBUG_ADD_REMOVE_DISPLAY:
+    case DEBUG_TOGGLE_UNIFIED_DESKTOP:
       return debug::DebugAcceleratorsEnabled();
     case DISABLE_CAPS_LOCK:
       return CanHandleDisableCapsLock(previous_accelerator);
     case SILENCE_SPOKEN_FEEDBACK:
       return CanHandleSilenceSpokenFeedback();
     case SWITCH_TO_PREVIOUS_USER:
     case SWITCH_TO_NEXT_USER:
       return CanHandleCycleUser();
     case TOGGLE_CAPS_LOCK:
       return CanHandleToggleCapsLock(accelerator, previous_accelerator);
@@ skipping 236 matching lines @@
 #if defined(OS_CHROMEOS)
     case BRIGHTNESS_DOWN:
       HandleBrightnessDown(brightness_control_delegate_.get(), accelerator);
       break;
     case BRIGHTNESS_UP:
       HandleBrightnessUp(brightness_control_delegate_.get(), accelerator);
       break;
     case DEBUG_ADD_REMOVE_DISPLAY:
       debug::PerformDebugActionIfEnabled(action);
       break;
+    case DEBUG_TOGGLE_UNIFIED_DESKTOP:
+      debug::PerformDebugActionIfEnabled(action);
+      break;
     case DISABLE_CAPS_LOCK:
       HandleDisableCapsLock();
       break;
     case DISABLE_GPU_WATCHDOG:
       Shell::GetInstance()->gpu_support()->DisableGpuWatchdog();
       break;
     case KEYBOARD_BRIGHTNESS_DOWN:
       HandleKeyboardBrightnessDown(keyboard_brightness_control_delegate_.get(),
                                    accelerator);
       break;
@@ skipping 132 matching lines @@
 }
 
 void AcceleratorController::SetKeyboardBrightnessControlDelegate(
     scoped_ptr<KeyboardBrightnessControlDelegate>
     keyboard_brightness_control_delegate) {
   keyboard_brightness_control_delegate_ =
       keyboard_brightness_control_delegate.Pass();
 }
 
 }  // namespace ash