There was a lot of code for handling example-specific delegates, but we don't
need it anymore and it complicates the HTTP server. I've removed it.
In addition, there was a bug in the delegate search that would cause an
infinite loop, so this is actually fixing a real bug too.
BUG=none
R=sbc@chromium.org
Review URL: https://codereview.chromium.org/351963003
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@279852 0039d316-1c4b-4281-b951-d872f2087c98