It would be nice to have a SPI for WKBrowsingContextController to return the process identifier for web process for the current page.
Created attachment 223417 [details] Patch.
Comment on attachment 223417 [details] Patch. Clearing flags on attachment: 223417 Committed r163610: <http://trac.webkit.org/changeset/163610>
All reviewed patches have been landed. Closing bug.