systemBeep() still beeps when run in DumpRenderTree
We should find some way to make it not beep. Ideally it should log instead.
Sound* is where systemBeep() is implemented. It's a static function, so it doesn't seem like there is a very good way to find out that we're running inside DumpRenderTree.
This is very annoying when I'm running the layout tests in the background and doing other things with my computer.
is one of the beeping tests.
is another beeping test.