OpenStorageCallback 30 chrome/browser/media_galleries/linux/mtp_device_task_helper.h typedef base::Callback<void(bool succeeded)> OpenStorageCallback; OpenStorageCallback 52 device/media_transfer_protocol/media_transfer_protocol_daemon_client.h typedef base::Callback<void(const std::string& handle)> OpenStorageCallback; OpenStorageCallback 36 device/media_transfer_protocol/media_transfer_protocol_manager.h bool error)> OpenStorageCallback;