USB_SYNCHRONIZATION_NONE  123 chrome/browser/extensions/api/usb/usb_api.cc     case USB_SYNCHRONIZATION_NONE:
USB_SYNCHRONIZATION_NONE   41 chrome/browser/usb/usb_interface.cc       return USB_SYNCHRONIZATION_NONE;
USB_SYNCHRONIZATION_NONE   50 chrome/browser/usb/usb_interface.cc       return USB_SYNCHRONIZATION_NONE;