diff -r f2204eaba685 Lib/webbrowser.py
--- a/Lib/webbrowser.py	Wed Oct 05 19:40:40 2016 -0400
+++ b/Lib/webbrowser.py	Wed Oct 05 20:45:34 2016 -0700
@@ -600,6 +600,7 @@
     # (but we prefer using the OS X specific stuff)
     register("safari", None, MacOSXOSAScript('safari'), -1)
     register("firefox", None, MacOSXOSAScript('firefox'), -1)
+    register("chrome", None, MacOSXOSAScript('chrome'), -1)
     register("MacOSX", None, MacOSXOSAScript('default'), -1)