Merge 82987, 83304 - make sure that OEM tab is shown even if first login is Guest

chrome/browser/chromeos/login/existing_user_controller.h

Index: chrome/browser/chromeos/login/existing_user_controller.h
===================================================================
--- chrome/browser/chromeos/login/existing_user_controller.h	(revision 83304)
+++ chrome/browser/chromeos/login/existing_user_controller.h	(working copy)
@@ -55,10 +55,6 @@
     return current_controller_;
   }
 
-  void set_initial_start_page(const std::string& url) {
-    initial_start_page_ = url;
-  }
-
   // Creates and shows login UI for known users.
   void Init(const UserVector& users);
 
@@ -155,9 +151,6 @@
   // URL to append to start Guest mode with.
   GURL guest_mode_url_;
 
-  // URL to open on first owner login from OEM customization manifest.
-  std::string initial_start_page_;
-
   // Used for user image changed notifications.
   NotificationRegistrar registrar_;