RunLoop::Timer fires 1000x too early on Windows. We're making a seconds vs. milliseconds conversion error. Right now this only affects the responsiveness timer (all other timers are 0-delay).
This is blocking bug 51262, which wants to add a new non-0-delay timer.
Created attachment 84228 [details]
Convert seconds to milliseconds before calling ::SetTimer
Committed r80001: <http://trac.webkit.org/changeset/80001>