[components] Apply automatic range checks to content enum types across IPC

[components] Apply automatic range checks to content enum types across IPC

This is part of a long-running background task to remove the remaining
uses of the unchecked IPC_ENUM_TRAITS() macro.

BUG=246708
Committed: https://crrev.com/b82b5f8707ab95d4deaa71bbcd66ce5462dc0ecd
Cr-Commit-Position: refs/heads/master@{#298915}

[anujsharma, 2014-10-09 14:27:48]

anujk.sharma@samsung.com changed reviewers:
+ blundell@chromium.org

[anujsharma, 2014-10-09 14:27:48]

PTAL

[Mike West, 2014-10-09 14:43:50]

On 2014/10/09 14:27:48, anujsharma wrote:
> PTAL

Messages LGTM. You'll need signoff for the enum change, of course.

[blundell, 2014-10-09 14:46:06]

lgtm

[anujsharma, 2014-10-09 16:21:21]

On 2014/10/09 14:46:06, blundell wrote:
> lgtm

Thanks mike and blundell for lgtm.

[anujsharma, 2014-10-09 16:23:13]

The CQ bit was checked by anujk.sharma@samsung.com

[anujsharma, 2014-10-09 16:23:13]

The CQ bit was unchecked by anujk.sharma@samsung.com

[anujsharma, 2014-10-09 16:23:14]

The CQ bit was checked by anujk.sharma@samsung.com

[commit-bot: I haz the power, 2014-10-09 16:25:05]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/646543003/1

[commit-bot: I haz the power, 2014-10-09 17:07:04]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-09 17:08:04]

Patchset 1 (id:??) landed as
https://crrev.com/b82b5f8707ab95d4deaa71bbcd66ce5462dc0ecd
Cr-Commit-Position: refs/heads/master@{#298915}