If enabled, Chrome attempts to speed up your web browsing experience by
pre-resolving DNS entries and preemptively opening TCP and SSL connections
to servers. This preference only affects actions taken by Chrome's
internal prediction service. It does not affect webpage-initiated
prefectches or preconnects. This preference's value is a boolean,
defaulting to true.
Allow users to specify the media performance/privacy tradeoffs which
impacts how WebRTC traffic will be routed and how much local address
information is exposed. This preference's value is of type
IPHandlingPolicy, defaulting to default.