This is a Browser Action API.
It is used to reset a _savedRandom. It is useful during debugging/troubleshooting via the controller.
_resetSavedRandom(id)
The parameters are:
_savedRandom(“a”, 10, 30); // returns a random number, say 23
_savedRandom(“a”, 10, 30); // returns 23
_savedRandom(“a”); // returns 23
_resetSavedRandom(“a”);
_savedRandom(“a”); // returns null
_savedRandom(“a”, 10, 30); // returns another random number