Move signin status and current user information into AppListModel.

ui/app_list/app_list_view_delegate.h

Index: ui/app_list/app_list_view_delegate.h
diff --git a/ui/app_list/app_list_view_delegate.h b/ui/app_list/app_list_view_delegate.h
index bd7e3d3837f75193f4d69cffe578b1c006a48ef5..6ef4230a6145532d7f51b09ed3c15a5442d3f3c7 100644
--- a/ui/app_list/app_list_view_delegate.h
+++ b/ui/app_list/app_list_view_delegate.h
@@ -76,12 +76,6 @@ class APP_LIST_EXPORT AppListViewDelegate {
   // 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;