Don't drop debug_info when posting to sync server fails

sync/sessions/status_controller.h

 // Copyright 2012 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.
 
 // StatusController handles all counter and status related number crunching and
 // state tracking on behalf of a SyncSession.
 //
 // The most important feature of StatusController is the
 // ScopedModelSafeGroupRestriction.  Some of its functions expose per-thread
 // state, and can be called only when the restriction is in effect.  For
@@ skipping 123 matching lines @@
   void set_sync_protocol_error(const SyncProtocolError& error);
   void set_last_get_key_result(const SyncerError result);
   void set_last_download_updates_result(const SyncerError result);
   void set_commit_result(const SyncerError result);
 
   // A very important flag used to inform frontend of need to migrate.
   void set_types_needing_local_migration(ModelTypeSet types);
 
   void UpdateStartTime();
 
-  void set_debug_info_sent();
-
-  bool debug_info_sent() const;
-
  private:
   friend class ScopedModelSafeGroupRestriction;
 
   ModelNeutralState model_neutral_;
 
   // Used to fail read/write operations on state that don't obey the current
   // active ModelSafeWorker contract.
   bool group_restriction_in_effect_;
   ModelSafeGroup group_restriction_;
 
@@ skipping 19 matching lines @@
   }
  private:
   StatusController* status_;
   DISALLOW_COPY_AND_ASSIGN(ScopedModelSafeGroupRestriction);
 };
 
 }  // namespace sessions
 }  // namespace syncer
 
 #endif  // SYNC_SESSIONS_STATUS_CONTROLLER_H_