TestRunnerWKWebView leaks @property accessibilitySpeakSelectionContent.
Regressed in r211095 for Bug 166794.
Found by clang static analyzer:
The '_accessibilitySpeakSelectionContent' ivar in 'TestRunnerWKWebView' was copied by a synthesized property but not released before '[super dealloc]'
Created attachment 396750 [details]
Committed r260298: <https://trac.webkit.org/changeset/260298>
All reviewed patches have been landed. Closing bug and clearing flags on attachment 396750 [details].