**Is your feature request related to a problem? Please describe.**
I am building an Application that requires frequent password input. It would be awesome, to have native Touch ID support on macOS.

**Describe the solution you'd like**
An easy solution to show the Touch ID authentication dialog on macOS.

**Describe alternatives you've considered**
Writing my own Node.js add-on, but I couldn't wrap my head around it

**Additional context**
Add any other context or screenshots about the feature request here.
<img width="1085" alt="touch bar bild 2019-02-02 um 09 58 04" src="https://user-images.githubusercontent.com/6825153/52162266-71285600-26d1-11e9-80a7-5f85cc50bf90.png">

atom/browser/mac/atom_application.h
@interface AtomApplication : NSApplication <CrAppProtocol,
                                            CrAppControlProtocol,
                                            NSUserActivityDelegate> {
 @private
  BOOL handlingSendEvent_;
  base::scoped_nsobject<NSUserActivity> currentActivity_
      API_AVAILABLE(macosx(10.10));
  NSCondition* handoffLock_;
  BOOL updateReceived_;
  base::Callback<bool()> shouldShutdown_;
}
+ (AtomApplication*)sharedApplication;
- (void)setShutdownHandler:(base::Callback<bool()>)handler;
- (BOOL)isHandlingSendEvent;
- (void)setHandlingSendEvent:(BOOL)handlingSendEvent;
- (NSUserActivity*)getCurrentActivity API_AVAILABLE(macosx(10.10));
- (void)setCurrentActivity:(NSString*)type
              withUserInfo:(NSDictionary*)userInfo
            withWebpageURL:(NSURL*)webpageURL;
- (void)invalidateCurrentActivity;
- (void)updateCurrentActivity:(NSString*)type
                 withUserInfo:(NSDictionary*)userInfo;
@end