*`#enable-userscripts-log`, see https://github.com/bromite/bromite/wiki/UserScripts#flags
*`#certificate-transparency-enabled`, enabled by default; see https://chromium.googlesource.com/chromium/src/+/master/net/docs/certificate-transparency.md
*`#move-top-toolbar-to-bottom`, disabled by default
*`#site-engagement`, enabled by default, can be used to disable the automatically-generated icons for most visited sites on the NTP
