Remove the ash-enable-touch-view-testing flag

ash/system/chromeos/power/tablet_power_button_controller.cc

 // Copyright 2016 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/system/chromeos/power/tablet_power_button_controller.h"
 
 #include "ash/common/accessibility_delegate.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/shell_delegate.h"
 #include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
@@ skipping 14 matching lines @@
 // animation when in tablet mode.
 constexpr int kShutdownTimeoutMs = 500;
 
 // Amount of time to delay locking screen after display is forced off.
 constexpr int kLockScreenTimeoutMs = 1000;
 
 // Amount of time since last SuspendDone() that power button event needs to be
 // ignored.
 constexpr int kIgnorePowerButtonAfterResumeMs = 2000;
 
-// Returns true if device is a convertible/tablet device or has
-// kAshEnableTouchViewTesting in test, otherwise false.
+// Returns true if device is a convertible/tablet device, otherwise false.
 bool IsTabletModeSupported() {
   MaximizeModeController* maximize_mode_controller =
       WmShell::Get()->maximize_mode_controller();
   return maximize_mode_controller &&
          maximize_mode_controller->CanEnterMaximizeMode();
 }
 
 // Returns true if device is currently in tablet/maximize mode, otherwise false.
 bool IsTabletModeActive() {
   MaximizeModeController* maximize_mode_controller =
@@ skipping 210 matching lines @@
         FROM_HERE, base::TimeDelta::FromMilliseconds(kLockScreenTimeoutMs),
         this, &TabletPowerButtonController::OnLockScreenTimeout);
   }
 }
 
 void TabletPowerButtonController::OnLockScreenTimeout() {
   WmShell::Get()->GetSessionStateDelegate()->LockScreen();
 }
 
 }  // namespace ash