Move signin status and current user information into AppListModel.

ui/app_list/app_list_view_delegate.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 UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
 #define UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
 
 #include "base/callback_forward.h"
 #include "base/strings/string16.h"
 #include "ui/app_list/app_list_export.h"
@@ skipping 55 matching lines @@
   // Invoked to dismiss app list. This may leave the view open but hidden from
   // the user.
   virtual void Dismiss() = 0;
 
   // Invoked when the app list is closing.
   virtual void ViewClosing() = 0;
 
   // Returns the icon to be displayed in the window and taskbar.
   virtual gfx::ImageSkia GetWindowIcon() = 0;
 
-  // Returns the name of the current user.
-  virtual base::string16 GetCurrentUserName() = 0;
-
-  // Returns the email of the current user.
-  virtual base::string16 GetCurrentUserEmail() = 0;
-
   // Open the settings UI.
   virtual void OpenSettings() = 0;
 
   // Open the help UI.
   virtual void OpenHelp() = 0;
 
   // Open the feedback UI.
   virtual void OpenFeedback() = 0;
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_