Make sure when regions change that we treat it like page dimensions changing, so that we recheck pagination boundaries for slicing.
Created attachment 108178 [details]
Attachment 108178 [details] did not pass style-queue:
Failed to run "['Tools/Scripts/check-webkit-style', '--diff-files', u'LayoutTests/ChangeLog', u'LayoutTests/fast..." exit_code: 1
Source/WebCore/ChangeLog:1: ChangeLog entry has no bug number [changelog/bugnumber] 
Total errors found: 1 in 11 files
If any of these errors are false positives, please file a bug against check-webkit-style.
Created attachment 108179 [details]
Comment on attachment 108179 [details]
View in context: https://bugs.webkit.org/attachment.cgi?id=108179&action=review
> + Make sure that when regions change dimensions that we recompute pagination slices.
Landed in http://trac.webkit.org/changeset/95648