We try to share RenderStyle for elements with it's siblings if they have the same style. But We should not share styles if the element is in fullscreen mode.
Created attachment 182734 [details] Patch
Comment on attachment 182734 [details] Patch Verified correct. Review interface seems to truncate the testcase but saw the patch and it looks fine.
Comment on attachment 182734 [details] Patch Clearing flags on attachment: 182734 Committed r139824: <http://trac.webkit.org/changeset/139824>
All reviewed patches have been landed. Closing bug.
Comment on attachment 182734 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=182734&action=review > Source/WebCore/ChangeLog:6 > + https://bugs.webkit.org/show_bug.cgi?id=106888 > + > + Reviewed by NOBODY (OOPS!). This is missing an explanation of the bug and what you did to fix it.