[USS] Move GetAllNodes from backend to controller

components/sync/driver/glue/sync_backend_host_core.cc

 // 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.
 
 #include "components/sync/driver/glue/sync_backend_host_core.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
@@ skipping 646 matching lines @@
 }
 
 void SyncBackendHostCore::DeleteSyncDataFolder() {
   DCHECK(sync_loop_->task_runner()->BelongsToCurrentThread());
   if (base::DirectoryExists(sync_data_folder_path_)) {
     if (!base::DeleteFile(sync_data_folder_path_, true))
       SLOG(DFATAL) << "Could not delete the Sync Data folder.";
   }
 }
 
-void SyncBackendHostCore::GetAllNodesForTypes(
-    syncer::ModelTypeSet types,
-    scoped_refptr<base::SequencedTaskRunner> task_runner,
-    base::Callback<void(const std::vector<syncer::ModelType>& type,
-                        ScopedVector<base::ListValue>)> callback) {
-  std::vector<syncer::ModelType> types_vector;
-  ScopedVector<base::ListValue> node_lists;
-
-  syncer::ModelSafeRoutingInfo routes;
-  registrar_->GetModelSafeRoutingInfo(&routes);
-  syncer::ModelTypeSet enabled_types = GetRoutingInfoTypes(routes);
-
-  for (syncer::ModelTypeSet::Iterator it = types.First(); it.Good(); it.Inc()) {
-    types_vector.push_back(it.Get());
-    if (!enabled_types.Has(it.Get())) {
-      node_lists.push_back(new base::ListValue());
-    } else {
-      node_lists.push_back(
-          sync_manager_->GetAllNodesForType(it.Get()).release());
-    }
-  }
-
-  task_runner->PostTask(
-      FROM_HERE, base::Bind(callback, types_vector, base::Passed(&node_lists)));
-}
-
 void SyncBackendHostCore::StartSavingChanges() {
   // We may already be shut down.
   if (!sync_loop_)
     return;
   DCHECK(sync_loop_->task_runner()->BelongsToCurrentThread());
   DCHECK(!save_changes_timer_.get());
   save_changes_timer_.reset(new base::RepeatingTimer());
   save_changes_timer_->Start(
       FROM_HERE, base::TimeDelta::FromSeconds(kSaveChangesIntervalSeconds),
       this, &SyncBackendHostCore::SaveChanges);
@@ skipping 20 matching lines @@
 }
 
 void SyncBackendHostCore::ClearServerDataDone(
     const base::Closure& frontend_callback) {
   DCHECK(sync_loop_->task_runner()->BelongsToCurrentThread());
   host_.Call(FROM_HERE, &SyncBackendHostImpl::ClearServerDataDoneOnFrontendLoop,
              frontend_callback);
 }
 
 }  // namespace browser_sync