What steps will reproduce the problem?
(1) Start Chrome with --site-per-process
(2) Navigate to http://csreis.github.io/tests/cross-site-iframe-simple.html
(3) Open DevTools for the out-of-process subframe and execute "print()"
What is the expected output?
Print dialog shows up, with the preview page filled with the subframe contents. This is what happens without --site-per-process.
What do you see instead?
Nothing happens.
Comment 1 by lukasza@chromium.org
, Jul 26 2016