Enable the Page Visibility API on Mac
<rdar://problem/10287508>
Created attachment 183380 [details] [PATCH] Proposed Fix • Fix a typo in Page Visibility related layout tests • Unskip the Page Visibility tests on mac • Fix a DumpRenderTree issue for mac • Enable the ENABLE flag for macosx
Comment on attachment 183380 [details] [PATCH] Proposed Fix r=me
Committed r140469: <http://trac.webkit.org/changeset/140469>