DidGetOriginRoot 49 chrome/browser/sync_file_system/drive_backend_v1/local_sync_delegate.cc base::Bind(&LocalSyncDelegate::DidGetOriginRoot, DidGetOriginRoot 46 chrome/browser/sync_file_system/drive_backend_v1/local_sync_delegate.h void DidGetOriginRoot(const SyncStatusCallback& callback,