Implement workspace scrubbing

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"
 
 namespace ash {
 namespace switches {
 
 // Enables an animated transition from the boot splash screen (Chrome logo on a
@@ skipping 28 matching lines @@
 
 // Disables boot animation v2, go back to v1.
 const char kAshDisableBootAnimation2[] = "ash-disable-boot-animation2";
 
 // Disables panel fitting (used for mirror mode).
 const char kAshDisablePanelFitting[] = "ash-disable-panel-fitting";
 
 // Enable advanced gestures (e.g. for window management).
 const char kAshEnableAdvancedGestures[] = "ash-enable-advanced-gestures";
 
+// Enable workspace switching via a three finger vertical scroll.
+const char kAshEnableWorkspaceScrubbing[] = "ash-enable-workspace-scrubbing";
+
 #if defined(OS_LINUX)
 // Enable memory monitoring.
 const char kAshEnableMemoryMonitor[] = "ash-enable-memory-monitor";
 #endif
 
 // Enable the per application grouping version of the launcher.
 const char kAshEnablePerAppLauncher[] = "ash-enable-per-app-launcher";
 
 // Enables the Oak tree viewer.
 const char kAshEnableOak[] = "ash-enable-oak";
@@ skipping 27 matching lines @@
 // Standard hardware reports releases immediately after presses.  If set, we
 // lock the screen or shutdown the system immediately in response to a press
 // instead of displaying an interactive animation.
 const char kAuraLegacyPowerButton[] = "aura-legacy-power-button";
 
 // Avoid drawing drop shadows under windows.
 const char kAuraNoShadows[] = "aura-no-shadows";
 
 }  // namespace switches
 }  // namespace ash