Remove always true allowCustomScrollbarInMainFrame setting Added by Chromium and never used by other ports.
Created attachment 299583 [details] [PATCH] Proposed Fix
Comment on attachment 299583 [details] [PATCH] Proposed Fix Clearing flags on attachment: 299583 Committed r211082: <http://trac.webkit.org/changeset/211082>
All reviewed patches have been landed. Closing bug.