GetHidStringProperty  157 device/hid/hid_service_mac.cc       GetHidStringProperty(hid_device, CFSTR(kIOHIDProductKey));
GetHidStringProperty  159 device/hid/hid_service_mac.cc       GetHidStringProperty(hid_device, CFSTR(kIOHIDSerialNumberKey));
GetHidStringProperty   18 device/hid/hid_utils_mac.h std::string GetHidStringProperty(IOHIDDeviceRef device, CFStringRef key);