For window.open() and more, we want to reuse the same process.
Created attachment 163190 [details] proposed patch
Comment on attachment 163190 [details] proposed patch Attachment 163190 [details] did not pass win-ews (win): Output: http://queues.webkit.org/results/13798924
Committed <http://trac.webkit.org/changeset/128101> then noticed that Windows is broken. Fixing...
Build fix in <http://trac.webkit.org/changeset/128103>.