The PageOverlay does only get uninstalled after the fade-out animation finishes, so do not assert on !m_overlay after the uninstallPageOverlay(m_overlay, /* fadeout */ true) call.
Created attachment 124140 [details] proposed patch
Attachment 124140 [details] did not pass style-queue: Failed to run "['Tools/Scripts/check-webkit-style', '--diff-files', u'Source/WebKit2/ChangeLog', u'Source/WebKit..." exit_code: 1 Source/WebKit2/ChangeLog:1: ChangeLog entry has no bug number [changelog/bugnumber] [5] Total errors found: 1 in 1 files If any of these errors are false positives, please file a bug against check-webkit-style.
Created attachment 124142 [details] proposed patch with bug number
Comment on attachment 124142 [details] proposed patch with bug number Clearing flags on attachment: 124142 Committed r106012: <http://trac.webkit.org/changeset/106012>
All reviewed patches have been landed. Closing bug.