It's still got a bunch of issues that need debugging, like when VPN
nameservers exist but no domain and thus not doing split DNS, sometimes
hosts outside the VPN don't resolve correctly, which was previously
masked by having the non-VPN nameservers in /etc/resolv.conf where
glibc would erroneously use them instead of asking BIND. To be fixed
in a subsequent patch.
The dnsmasq plugin seems to work great though.
Caching DNS with dnsmasq works well enough to merge for now. THere
are still some issues with the BIND plugin because BIND is god-awful
unecessarily complex so we'll disable that in a further commit.
This was supposed to hook up to the bits Adam Langley did last year
for his local-dns-cache DBus service, but I misunderstood the
architecture. It was a separate service, not Chromium itself. But
it's unclear what happened to his local-dns-cache since the project
doesn't seem to have any commits in a year and I'm unsure if it's
actually being used. So remove this stuff for now.
