Remove NTPSnippetsService::disabled_reason().

components/ntp_snippets/ntp_snippets_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_NTP_SNIPPETS_STATUS_SERVICE_H_
 #define COMPONENTS_NTP_SNIPPETS_NTP_SNIPPETS_STATUS_SERVICE_H_
 
 #include "base/callback.h"
 #include "base/gtest_prod_util.h"
 #include "base/scoped_observer.h"
@@ skipping 24 matching lines @@
                            PrefService* pref_service);
 
   ~NTPSnippetsStatusService() override;
 
   static void RegisterProfilePrefs(PrefRegistrySimple* registry);
 
   // Starts listening for changes from the dependencies. |callback| will be
   // called when a significant change in state is detected.
   void Init(const DisabledReasonChangeCallback& callback);
 
-  DisabledReason disabled_reason() const { return disabled_reason_; }
-
  private:
   FRIEND_TEST_ALL_PREFIXES(NTPSnippetsStatusServiceTest,
                            SigninStateCompatibility);
   FRIEND_TEST_ALL_PREFIXES(NTPSnippetsStatusServiceTest, DisabledViaPref);
 
   // SigninManagerBase::Observer implementation
   void GoogleSigninSucceeded(const std::string& account_id,
                              const std::string& username,
                              const std::string& password) override;
   void GoogleSignedOut(const std::string& account_id,
@@ skipping 16 matching lines @@
   // The observer for the SigninManager.
   ScopedObserver<SigninManagerBase, SigninManagerBase::Observer>
       signin_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(NTPSnippetsStatusService);
 };
 
 }  // namespace ntp_snippets
 
 #endif  // COMPONENTS_NTP_SNIPPETS_NTP_SNIPPETS_STATUS_SERVICE_H_