[Mac] AppController needs to update its "last profile" pointer when the active profile is deleted

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>
 #include <vector>
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "base/prefs/pref_change_registrar.h"
 #include "ui/base/work_area_watcher_observer.h"
 
+class AppControllerProfileObserver;
 class BookmarkMenuBridge;
 class CommandUpdater;
 class GURL;
 class HistoryMenuBridge;
 class Profile;
 @class ProfileMenuController;
 namespace ui {
 class WorkAreaWatcherObserver;
 }
 
 // The application controller object, created by loading the MainMenu nib.
 // This handles things like responding to menus when there are no windows
 // open, etc and acts as the NSApplication delegate.
 @interface AppController : NSObject<NSUserInterfaceValidations,
                                     NSApplicationDelegate> {
  @private
   // Manages the state of the command menu items.
   scoped_ptr<CommandUpdater> menuState_;
 
   // The profile last used by a Browser. It is this profile that was used to
   // build the user-data specific main menu items.
   Profile* lastProfile_;
 
+  // The ProfileObserver observes the ProfileInfoCache and gets notified
+  // when a profile has been deleted.
+  scoped_ptr<AppControllerProfileObserver> profileInfoCacheObserver_;
+
   // Management of the bookmark menu which spans across all windows
   // (and Browser*s).
   scoped_ptr<BookmarkMenuBridge> bookmarkMenuBridge_;
   scoped_ptr<HistoryMenuBridge> historyMenuBridge_;
 
   // The profile menu, which appears right before the Help menu. It is only
   // available when multiple profiles is enabled.
   base::scoped_nsobject<ProfileMenuController> profileMenuController_;
 
   // If we're told to open URLs (in particular, via |-application:openFiles:| by
@@ skipping 42 matching lines @@
 // modal) blocking the active browser. Note that tab modal dialogs (HTTP auth
 // sheets) will not count as blocking the browser. But things like open/save
 // dialogs that are window modal will block the browser.
 - (BOOL)keyWindowIsModal;
 
 // Show the preferences window, or bring it to the front if it's already
 // visible.
 - (IBAction)showPreferences:(id)sender;
 
 // Redirect in the menu item from the expected target of "File's
-// Owner" (NSAppliation) for a Branded About Box
+// Owner" (NSApplication) for a Branded About Box
 - (IBAction)orderFrontStandardAboutPanel:(id)sender;
 
 // Toggles the "Confirm to Quit" preference.
 - (IBAction)toggleConfirmToQuit:(id)sender;
 
 // Delegate method to return the dock menu.
 - (NSMenu*)applicationDockMenu:(NSApplication*)sender;
 
 // Get the URLs that Launch Services expects the browser to open at startup.
 - (const std::vector<GURL>&)startupUrls;
@@ skipping 16 matching lines @@
 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