After locking a profile and showing the User Manager, make Guest the active profile

chrome/browser/app_controller_mac.h

 // 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.
 
 #ifndef CHROME_BROWSER_APP_CONTROLLER_MAC_H_
 #define CHROME_BROWSER_APP_CONTROLLER_MAC_H_
 
 #if defined(__OBJC__)
 
 #import <Cocoa/Cocoa.h>
@@ skipping 124 matching lines @@
 - (BookmarkMenuBridge*)bookmarkMenuBridge;
 
 // Subscribes/unsubscribes from the work area change notification.
 - (void)addObserverForWorkAreaChange:(ui::WorkAreaWatcherObserver*)observer;
 - (void)removeObserverForWorkAreaChange:(ui::WorkAreaWatcherObserver*)observer;
 
 // Initializes the AppShimMenuController. This enables changing the menu bar for
 // apps.
 - (void)initAppShimMenuController;
 
+// Called when the user has changed browser windows, meaning the backing profile
+// may have changed. This can cause a rebuild of the user-data menus. This is a
+// no-op if the new profile is the same as the current one. This will always be
+// the original profile and never incognito.
+- (void)windowChangedToProfile:(Profile*)profile;
+
 @end
 
 #endif  // __OBJC__
 
 // Functions that may be accessed from non-Objective-C C/C++ code.
 
 namespace app_controller_mac {
 
 // True if we are currently handling an IDC_NEW_{TAB,WINDOW} command. Used in
 // SessionService::Observe() to get around windows/linux and mac having
 // different models of application lifetime.
 bool IsOpeningNewWindow();
 
 }  // namespace app_controller_mac
 
 #endif