Add profile selector menu to app list.

ui/app_list/app_list_menu.h

 // Copyright 2013 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 UI_APP_LIST_APP_LIST_MENU_H_
 #define UI_APP_LIST_APP_LIST_MENU_H_
 
 #include "ui/base/models/simple_menu_model.h"
 
 namespace app_list {
 
 class AppListViewDelegate;
 
 // Menu for the app list. This is shown in the top right hand corner of the
 // app list.
 // TODO(benwells): We should consider moving this into Chrome.
 class AppListMenu : public ui::SimpleMenuModel::Delegate {
  public:
   enum AppListMenuCommands {
     CURRENT_USER,
     SHOW_SETTINGS,
     SHOW_HELP,
     SHOW_FEEDBACK,
+    // |The received command id| - |SELECT_PROFILE| is the profile index

[tapted, 2013/07/29 01:59:10]

nit: this comment's a bit unclear, since this seems a bit unconventional. e.g. I
think you need to say that this must be the last enum item, and describe why
it's done this way.

[calamity, 2013/07/30 08:42:34]

Done.

+    // selected.
+    SELECT_PROFILE,
   };
 
   explicit AppListMenu(AppListViewDelegate* delegate);
   virtual ~AppListMenu();
 
   ui::SimpleMenuModel* menu_model() { return &menu_model_; }
 
  private:
   void InitMenu();
 
   virtual bool IsCommandIdChecked(int command_id) const OVERRIDE;
   virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
   virtual bool GetAcceleratorForCommandId(
       int command_id,
       ui::Accelerator* accelerator) OVERRIDE;
   virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE;
 
   ui::SimpleMenuModel menu_model_;
+  ui::SimpleMenuModel profiles_model_;
   AppListViewDelegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListMenu);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_APP_LIST_MENU_H_