Expose local sync mode status in the chrome://sync-internals page.

components/sync/engine_impl/all_status.h

 // Copyright (c) 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.
 
 #ifndef COMPONENTS_SYNC_ENGINE_IMPL_ALL_STATUS_H_
 #define COMPONENTS_SYNC_ENGINE_IMPL_ALL_STATUS_H_
 
 #include <map>
 #include <string>
 
@@ skipping 48 matching lines @@
   void SetCryptoHasPendingKeys(bool has_pending_keys);
   void SetPassphraseType(PassphraseType type);
   void SetHasKeystoreKey(bool has_keystore_key);
   void SetKeystoreMigrationTime(const base::Time& migration_time);
 
   void SetSyncId(const std::string& sync_id);
   void SetInvalidatorClientId(const std::string& invalidator_client_id);
 
   void IncrementNudgeCounter(NudgeSource source);
 
+  void SetLocalBackendFolder(const std::string& folder);
+
  protected:
   // Examines syncer to calculate syncing and the unsynced count,
   // and returns a Status with new values.
   SyncStatus CalcSyncing(const SyncCycleEvent& event) const;
   SyncStatus CreateBlankStatus() const;
 
   SyncStatus status_;
 
   mutable base::Lock mutex_;  // Protects all data members.
 
  private:
   friend class ScopedStatusLock;
 
   DISALLOW_COPY_AND_ASSIGN(AllStatus);
 };
 
 class ScopedStatusLock {
  public:
   explicit ScopedStatusLock(AllStatus* allstatus);
   ~ScopedStatusLock();
 
  protected:
   AllStatus* allstatus_;
 };
 
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_ENGINE_IMPL_ALL_STATUS_H_