Allow dynamic enabling/disabling of unified desktop

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"
 #include "base/sys_info.h"
 
 namespace ash {
@@ skipping 118 matching lines @@
 #if defined(OS_CHROMEOS)
 // Constrains the pointer movement within a root window on desktop.
 bool ConstrainPointerToRoot() {
   const char kAshConstrainPointerToRoot[] = "ash-constrain-pointer-to-root";
 
   return base::SysInfo::IsRunningOnChromeOS() ||
          base::CommandLine::ForCurrentProcess()->HasSwitch(
              kAshConstrainPointerToRoot);
 }
 
-bool UnifiedDesktopEnabled() {
-  return base::CommandLine::ForCurrentProcess()->HasSwitch(
-      kAshEnableUnifiedDesktop);
-}
-
 #endif
 
 }  // namespace switches
 }  // namespace ash