This is in preparation for being able to be replaced with SpinEventLoopUntil(), which is going to be shipped in bug 1359490. MozReview-Commit-ID: AChVqh4kfVb
This is in preparation for being able to be replaced with SpinEventLoopUntil(), which is going to be shipped in bug 1359490. MozReview-Commit-ID: AChVqh4kfVb