[Remote suggestions] Clean up variation params in the status service

components/ntp_snippets/remote/remote_suggestions_status_service.h

 // Copyright 2016 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 COMPONENTS_NTP_SNIPPETS_REMOTE_REMOTE_SUGGESTIONS_STATUS_SERVICE_H_
 #define COMPONENTS_NTP_SNIPPETS_REMOTE_REMOTE_SUGGESTIONS_STATUS_SERVICE_H_
 
 #include "base/callback.h"
 #include "base/gtest_prod_util.h"
 #include "base/scoped_observer.h"
 #include "components/prefs/pref_change_registrar.h"
 
 class PrefRegistrySimple;
 class PrefService;
 class SigninManagerBase;
 
 namespace ntp_snippets {
 
 enum class RemoteSuggestionsStatus : int {
   // Suggestions are enabled and the user is signed in.
   ENABLED_AND_SIGNED_IN,
   // Suggestions are enabled; the user is signed out (sign-in is not required).
   ENABLED_AND_SIGNED_OUT,
   // Suggestions have been disabled as part of the service configuration.
   EXPLICITLY_DISABLED,
-  // The user is not signed in, but sign-in is required.
-  SIGNED_OUT_AND_DISABLED,
 };
 
 // Aggregates data from preferences and signin to notify the provider of
 // relevant changes in their states.
 class RemoteSuggestionsStatusService {
  public:
   using StatusChangeCallback =
       base::Callback<void(RemoteSuggestionsStatus old_status,
                           RemoteSuggestionsStatus new_status)>;
 
@@ skipping 26 matching lines @@
 
   void OnStateChanged(RemoteSuggestionsStatus new_status);
 
   bool IsSignedIn() const;
 
   RemoteSuggestionsStatus GetStatusFromDeps() const;
 
   RemoteSuggestionsStatus status_;
   StatusChangeCallback status_change_callback_;
 
-  bool require_signin_;
   SigninManagerBase* signin_manager_;
   PrefService* pref_service_;
 
   PrefChangeRegistrar pref_change_registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(RemoteSuggestionsStatusService);
 };
 
 }  // namespace ntp_snippets
 
 #endif  // COMPONENTS_NTP_SNIPPETS_REMOTE_REMOTE_SUGGESTIONS_STATUS_SERVICE_H_