Implement SyncEngine::DumpFiles()

chrome/browser/sync_file_system/drive_backend/sync_engine.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 "chrome/browser/sync_file_system/drive_backend/sync_engine.h"
 
 #include "base/bind.h"
 #include "base/values.h"
 #include "chrome/browser/drive/drive_api_service.h"
 #include "chrome/browser/drive/drive_notification_manager.h"
@@ skipping 135 matching lines @@
   return service_state_;
 }
 
 void SyncEngine::GetOriginStatusMap(OriginStatusMap* status_map) {
   DCHECK(status_map);
   status_map->clear();
   NOTIMPLEMENTED();
 }
 
 scoped_ptr<base::ListValue> SyncEngine::DumpFiles(const GURL& origin) {
-  NOTIMPLEMENTED();
-  return make_scoped_ptr(new base::ListValue());
+  return metadata_database_->DumpFiles(origin.host());
 }
 
 void SyncEngine::SetSyncEnabled(bool enabled) {
   if (sync_enabled_ == enabled)
     return;
 
   RemoteServiceState old_state = GetCurrentState();
   sync_enabled_ = enabled;
   if (old_state == GetCurrentState())
     return;
@@ skipping 167 matching lines @@
   util::Log(logging::LOG_INFO, FROM_HERE,
             "Service state changed: %d->%d: %s",
             old_state, GetCurrentState(), description.c_str());
   FOR_EACH_OBSERVER(
       Observer, service_observers_,
       OnRemoteServiceStateUpdated(GetCurrentState(), description));
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system