Remove HTTP cache Record/Playback support

Remove HTTP cache Record/Playback support

This removes the ability to save and replay browsing sessions to/from the cache.

BUG=469256
Committed: https://crrev.com/06681dfba5c89956f650aea3767c08d41f22bac1
Cr-Commit-Position: refs/heads/master@{#321643}

[rvargas (doing something else), 2015-03-19 00:45:09]

Patchset #1 (id:1) has been deleted

[rvargas (doing something else), 2015-03-19 00:45:15]

Patchset #1 (id:20001) has been deleted

[rvargas (doing something else), 2015-03-20 02:57:59]

Patchset #1 (id:40001) has been deleted

[rvargas (doing something else), 2015-03-20 21:14:37]

rvargas@chromium.org changed reviewers:
+ thakis@chromium.org

[Nico, 2015-03-20 21:27:20]

lgtm

Say "disk cache" (or at least "cache") somewhere in the cl description, as-is it
sounds a bit like video playback

[rvargas (doing something else), 2015-03-20 21:50:50]

On 2015/03/20 21:27:20, Nico wrote:
> lgtm
> 
> Say "disk cache" (or at least "cache") somewhere in the cl description, as-is
it
> sounds a bit like video playback

Absolutely. Thanks for catching that.

[rvargas (doing something else), 2015-03-20 21:51:07]

The CQ bit was checked by rvargas@chromium.org

[commit-bot: I haz the power, 2015-03-20 21:51:41]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1008723006/60001

[commit-bot: I haz the power, 2015-03-20 21:57:38]

Committed patchset #1 (id:60001)

[commit-bot: I haz the power, 2015-03-20 21:58:26]

Patchset 1 (id:??) landed as
https://crrev.com/06681dfba5c89956f650aea3767c08d41f22bac1
Cr-Commit-Position: refs/heads/master@{#321643}