WebBackForwardListItems' pageState on UIProcess-side is not kept up-to-date when it is updated on WebContent process side. This means that we lose the scroll position (among other things) when transferring the session state over from one view to another.
rdar://problem/21585268
Created attachment 256162 [details] Patch
Comment on attachment 256162 [details] Patch Clearing flags on attachment: 256162 Committed r186287: <http://trac.webkit.org/changeset/186287>
All reviewed patches have been landed. Closing bug.