[USS] Move GetAllNodes from backend to controller

components/sync/driver/glue/sync_backend_host_core.h

 // Copyright 2013 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_DRIVER_GLUE_SYNC_BACKEND_HOST_CORE_H_
 #define COMPONENTS_SYNC_DRIVER_GLUE_SYNC_BACKEND_HOST_CORE_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 225 matching lines @@
   // time sync is enabled for a user (to prevent accidentally reusing old
   // sync databases), as well as shutdown when you're no longer syncing.
   void DeleteSyncDataFolder();
 
   // We expose this member because it's required in the construction of the
   // HttpBridgeFactory.
   syncer::CancelationSignal* GetRequestContextCancelationSignal() {
     return &release_request_context_signal_;
   }
 
-  void GetAllNodesForTypes(
-      syncer::ModelTypeSet types,
-      scoped_refptr<base::SequencedTaskRunner> task_runner,
-      base::Callback<void(const std::vector<syncer::ModelType>& type,
-                          std::vector<std::unique_ptr<base::ListValue>>)>
-          callback);
-
   // Tell the sync manager to persist its state by writing to disk.
   // Called on the sync thread, both by a timer and, on Android, when the
   // application is backgrounded.
   void SaveChanges();
 
   void DoClearServerData(
       const syncer::SyncManager::ClearServerDataCallback& frontend_callback);
 
   // Notify the syncer that the cookie jar has changed.
   void DoOnCookieJarChanged(bool account_mismatch, bool empty_jar);
@@ skipping 69 matching lines @@
   std::map<syncer::ModelType, int64_t> last_invalidation_versions_;
 
   base::WeakPtrFactory<SyncBackendHostCore> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncBackendHostCore);
 };
 
 }  // namespace browser_sync
 
 #endif  // COMPONENTS_SYNC_DRIVER_GLUE_SYNC_BACKEND_HOST_CORE_H_