AIUI It's about separating all untrusted web content from everything else on your computer. As long as you have _one_ content process (and one parent/browser pr

AIUI It's about separating all untrusted web content from everything else on your computer. As long as you have _one_ content process (and one parent/browser process), you get the vast majority of security benefits (by limiting the capabilities of that child content process). The same origin policy already works fine, when talking content-to-content.