Remove NTPSnippetsService::disabled_reason().

components/ntp_snippets/ntp_snippets_status_service.h

Index: components/ntp_snippets/ntp_snippets_status_service.h
diff --git a/components/ntp_snippets/ntp_snippets_status_service.h b/components/ntp_snippets/ntp_snippets_status_service.h
index 60923215169ac8fd1d7736b228355422f76cd611..3434a6be60e9c561e38cd51bae0ca6234c46dcfa 100644
--- a/components/ntp_snippets/ntp_snippets_status_service.h
+++ b/components/ntp_snippets/ntp_snippets_status_service.h
@@ -42,8 +42,6 @@ class NTPSnippetsStatusService : public SigninManagerBase::Observer {
   // 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);