chromeos: Tie tablet power button to --enable-touchview.

ash/wm/power_button_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/wm/power_button_controller.h"
 
 #include "ash/common/accelerators/accelerator_controller.h"
 #include "ash/common/ash_switches.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/system/tray/system_tray.h"
@@ skipping 26 matching lines @@
 #endif
       brightness_is_zero_(false),
       internal_display_off_and_external_display_on_(false),
       has_legacy_power_button_(
           base::CommandLine::ForCurrentProcess()->HasSwitch(
               switches::kAuraLegacyPowerButton)),
       lock_state_controller_(controller) {
 #if defined(OS_CHROMEOS)
   chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->AddObserver(
       this);
-  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kAshEnableTabletPowerButton)) {
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(kAshEnableTouchView) ||
+      base::CommandLine::ForCurrentProcess()->HasSwitch(
+          kAshEnableTouchViewTesting)) {
     tablet_controller_.reset(
         new TabletPowerButtonController(lock_state_controller_));
   }
   Shell::GetInstance()->display_configurator()->AddObserver(this);
 #endif
   Shell::GetInstance()->PrependPreTargetHandler(this);
 }
 
 PowerButtonController::~PowerButtonController() {
   Shell::GetInstance()->RemovePreTargetHandler(this);
@@ skipping 149 matching lines @@
 }
 
 void PowerButtonController::PowerButtonEventReceived(
     bool down,
     const base::TimeTicks& timestamp) {
   OnPowerButtonEvent(down, timestamp);
 }
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace ash