UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.167 Safari/537.36

Steps to reproduce the problem:
1. Build and run this code on a Mac with chrome as default browser:

#import <AppKit/AppKit.h>

int main(int argc, const char * argv[]) {
  @autoreleasepool {
      // insert code here...
    [[NSWorkspace sharedWorkspace] openURL:[NSURL URLWithString:@"http://www.reddit.com"]];
  }
  return 0;
}

What is the expected behavior?
URL should open

What went wrong?
URL is not opening

Did this work before? N/A 

Chrome version: 64.0.3282.167  Channel: stable
OS Version: OS X 10.13.3
Flash Version: 

This does work just fine with Safari as the default browser.