Enable fast user switching in Win8/Ash mode.

chrome/browser/ui/browser_command_controller.cc

Index: chrome/browser/ui/browser_command_controller.cc
diff --git a/chrome/browser/ui/browser_command_controller.cc b/chrome/browser/ui/browser_command_controller.cc
index 2d9a41b49cfcbea65dd497bf289d0bf27fd02baa..0d9df2aada4a8df6ab2cb0b6303dd75fbc798093 100644
--- a/chrome/browser/ui/browser_command_controller.cc
+++ b/chrome/browser/ui/browser_command_controller.cc
@@ -723,6 +723,9 @@ void BrowserCommandController::ExecuteCommandWithDisposition(
     case IDC_SHOW_AVATAR_MENU:
       ShowAvatarMenu(browser_);
       break;
+    case IDC_SHOW_FAST_USER_SWITCHER:
+      ShowFastUserSwitcher(browser_);
+      break;
     case IDC_SHOW_HISTORY:
       ShowHistory(browser_);
       break;
@@ -976,8 +979,10 @@ void BrowserCommandController::InitCommandState() {
   command_updater_.UpdateCommandEnabled(IDC_TOUCH_HUD_PROJECTION_TOGGLE, true);
 #else
   // Chrome OS uses the system tray menu to handle multi-profiles.
-  if (normal_window && (guest_session || !profile()->IsOffTheRecord()))
+  if (normal_window && (guest_session || !profile()->IsOffTheRecord())) {
     command_updater_.UpdateCommandEnabled(IDC_SHOW_AVATAR_MENU, true);
+    command_updater_.UpdateCommandEnabled(IDC_SHOW_FAST_USER_SWITCHER, true);
+  }
 #endif
 
   UpdateShowSyncState(true);