Jim Chen e16afc583e Bug 1384828 - Use tid for UI thread detection; r=esawin
Use the UI thread's tid for checking if we're on the UI thread in Gecko.
This lets us get rid of `GeckoThread.registerUiThread`, in order to
avoid a race where we check for UI thread before `registerUiThread` is
called.

MozReview-Commit-ID: 11gAWgx4UZo
2017-08-03 13:06:16 -04:00
..