Disable support for swapped out RenderFrame(Host)

Various bugs have been fixed since the last attempt so this is another
try at disabling swapped out RenderFrame(Host) usage.

BUG=357747

CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation

Review URL: https://codereview.chromium.org/1529623003

Cr-Commit-Position: refs/heads/master@{#365711}
1 file changed