ShouldTriggerMigration 740 sync/internal_api/sync_encryption_handler_impl.cc if (ShouldTriggerMigration(nigori, *cryptographer)) { ShouldTriggerMigration 1358 sync/internal_api/sync_encryption_handler_impl.cc if (!ShouldTriggerMigration(old_nigori, *cryptographer)) ShouldTriggerMigration 225 sync/internal_api/sync_encryption_handler_impl.h bool ShouldTriggerMigration(const sync_pb::NigoriSpecifics& nigori,