Kasper Nilsson 9034b457c9 Add max-width to diff-comment-thread-group
With the removal of diff `.content` max-width in 60cbd2f4, diff comments
no longer had their width constrained.

Bug: Issue 8758
Change-Id: I3c98b385b56feca24cf2bb981614210084ce08e3
2018-04-14 00:58:07 +00:00
..