RequestUsbDevicesAccessHelper  320 chrome/browser/extensions/api/usb/usb_api.cc   (*i)->RequestUsbAcess(interface_id, base::Bind(RequestUsbDevicesAccessHelper,
RequestUsbDevicesAccessHelper  336 chrome/browser/extensions/api/usb/usb_api.cc       base::Bind(RequestUsbDevicesAccessHelper, base::Passed(devices.Pass()),