Added quick lock mechanism while in Touchview

ash/ash_switches.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/ash_switches.h"
 
 #include "base/command_line.h"
 
 namespace ash {
 namespace switches {
@@ skipping 40 matching lines @@
 #if defined(OS_CHROMEOS)
 // Enables key bindings to scroll magnified screen.
 const char kAshEnableMagnifierKeyScroller[] =
     "ash-enable-magnifier-key-scroller";
 #endif
 
 // Enables text filtering with the keyboard in Overview Mode.
 const char kAshDisableTextFilteringInOverviewMode[] =
     "ash-disable-text-filtering-in-overview-mode";
 
+// Enables quick, non-cancellable locking of the screen when in maximize mode.
+const char kAshEnablePowerButtonQuickLock[] =
+    "ash-enable-power-button-quick-lock";
+
 // Enables software based mirroring.
 const char kAshEnableSoftwareMirroring[] = "ash-enable-software-mirroring";
 
 // Enables touch view testing.
 // TODO(skuhne): Remove TOGGLE_TOUCH_VIEW_TESTING accelerator once this
 // flag is removed.
 const char kAshEnableTouchViewTesting[] = "ash-enable-touch-view-testing";
 
 // When this flag is set, system sounds will be played whether the
 // ChromeVox is enabled or not.
@@ skipping 40 matching lines @@
 
 #if defined(OS_WIN)
 // Force Ash to open its root window on the desktop, even on Windows 8 where
 // it would normally end up in metro.
 const char kForceAshToDesktop[] = "ash-force-desktop";
 
 #endif
 
 }  // namespace switches
 }  // namespace ash