4500: RFP MediaDevices API FF59+

user.js

@@ -1581,6 +1581,7 @@ user_pref("privacy.firstparty.isolate.restrict_opener_access", true);
  ** 1382533 - enable fingerprinting resistance for Presentation API (see 2513) (FF57+)
       This blocks exposure of local IP Addresses via mDNS (Multicast DNS)
  **  967895 - enable site permission prompt before allowing canvas data extraction (FF58+)
+ ** 1372073 - spoof/block fingerprinting in MediaDevices API (FF59+)
 ***/
 user_pref("_user.js.parrot", "4500 syntax error: the parrot's popped 'is clogs");
 /* 4501: enable privacy.resistFingerprinting (FF41+)