DatabaseContents 612 chrome/browser/sync_file_system/drive_backend/metadata_database.cc DatabaseContents::DatabaseContents() {} DatabaseContents 613 chrome/browser/sync_file_system/drive_backend/metadata_database.cc DatabaseContents::~DatabaseContents() {} DatabaseContents 55 chrome/browser/sync_file_system/drive_backend/metadata_database.h struct DatabaseContents {