GitLab

Running a full nested NSRunLoop appears to cause problems wherein
CATransactions are created from within a CATransaction's commit
handlers.

Bug: 853438
Change-Id: I37e9d3f92025c8b45201e23109a87e02afd6085c
Reviewed-on: https://chromium-review.googlesource.com/1100239
Commit-Queue: ccameron <ccameron@chromium.org>
Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Reviewed-by: Sidney San Martín <sdy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#567926}