[DevTools] Explicitly add Tethering domain to browser protocol.

[DevTools] Explicitly add Tethering domain to browser protocol.

This is a step to unifying different domains handling and using
code generation later.

BUG=none

Committed: https://crrev.com/d83e88b1d0d8c8cabc2bf7f971f7cf55e10b691e
Cr-Commit-Position: refs/heads/master@{#293966}

[dgozman, 2014-09-09 11:44:44]

Patchset #1 (id:1) has been deleted

[dgozman, 2014-09-09 12:07:02]

dgozman@chromium.org changed reviewers:
+ pfeldman@chromium.org

[dgozman, 2014-09-09 12:07:03]

Take a look please.

I'm not sure whether we should put browser_protocol to content/public/browser.
WDYT?

[pfeldman, 2014-09-09 16:39:34]

lgtm. We should not put it into content/public/browser.

[dgozman, 2014-09-09 17:22:45]

The CQ bit was checked by dgozman@chromium.org

[commit-bot: I haz the power, 2014-09-09 17:23:45]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/dgozman@chromium.org/558613002/20001

[commit-bot: I haz the power, 2014-09-09 18:11:08]

Committed patchset #1 (id:20001) as 12b5b5a12396c1868eddcfea90511be7e69fddb3

[commit-bot: I haz the power, 2014-09-10 03:54:15]

Patchset 1 (id:??) landed as
https://crrev.com/d83e88b1d0d8c8cabc2bf7f971f7cf55e10b691e
Cr-Commit-Position: refs/heads/master@{#293966}