tree e19f218f0268d5c9003fee8d5e632abffcb946e3
parent 89ad54bd0d498c8209ec80407f5758566f91e82f
author Ting-Yu Lin <tlin@mozilla.com> 1542500121 +0000
committer moz-wptsync-bot <wptsync@mozilla.com> 1542540316 -0500

Check the in flow frame to determine when to reframe the multicol container.

When removing an out of flow frame under a multicol subtree, it shouldn't affect
the multicol tree structure. We should instead check the in flow frame's
relationship with the multicol subtree.

Differential Revision: https://phabricator.services.mozilla.com/D11540

bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1506204
gecko-commit: 75ca66f490c31648aa80c228e043806bdee327d0
gecko-integration-branch: autoland
gecko-reviewers: dbaron