Get rid of CookieMonster::Delegate typedef.

Get rid of CookieMonster::Delegate typedef.

Almost everything's switched to the new one by now. Finish the job.

BUG=none

Committed: https://crrev.com/2a03078ea69b3ee89cc51c6cab1efd0b0ed16b66
Cr-Commit-Position: refs/heads/master@{#353586}

[davidben, 2015-10-09 21:57:09]

davidben@chromium.org changed reviewers:
+ mmenke@chromium.org

[mmenke, 2015-10-09 22:01:57]

LGTM...Kinda weird rename - normally this sort of thing is accompanied by moving
the delegate to its own file as the first step.

[davidben, 2015-10-10 19:13:11]

The CQ bit was checked by davidben@chromium.org

[commit-bot: I haz the power, 2015-10-10 19:13:23]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1392973005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1392973005/1

[commit-bot: I haz the power, 2015-10-10 19:20:24]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-10-10 19:20:25]

Try jobs failed on following builders:
  chromium_presubmit on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)

[davidben, 2015-10-12 17:10:04]

davidben@chromium.org changed reviewers:
+ rdevlin.cronin@chromium.org

[davidben, 2015-10-12 17:10:04]

+rdevlin.cronin for chrome/browser/extensions/. (Completely mechanical change.)

[Devlin, 2015-10-12 18:47:19]

lgtm

[davidben, 2015-10-12 18:50:06]

The CQ bit was checked by davidben@chromium.org

[commit-bot: I haz the power, 2015-10-12 18:50:49]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1392973005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1392973005/1

[commit-bot: I haz the power, 2015-10-12 20:22:49]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-12 20:23:52]

Patchset 1 (id:??) landed as
https://crrev.com/2a03078ea69b3ee89cc51c6cab1efd0b0ed16b66
Cr-Commit-Position: refs/heads/master@{#353586}