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

[media] 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/9f6fde290ca5a86291bdf9e89bd7388fa0bb7487
Cr-Commit-Position: refs/heads/master@{#298897}

[anujsharma, 2014-10-09 14:04:23]

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

[anujsharma, 2014-10-09 14:04:23]

PTAL

[Mike West, 2014-10-09 14:05:24]

The CQ bit was checked by mkwst@chromium.org

[Mike West, 2014-10-09 14:05:24]

lgtm

These are great, keep them coming. :)

[anujsharma, 2014-10-09 14:05:55]

On 2014/10/09 14:05:24, Mike West wrote:
> lgtm
> 
> These are great, keep them coming. :)

Thanks Mike for lgtm.

[commit-bot: I haz the power, 2014-10-09 14:06:39]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/638413002/1

[commit-bot: I haz the power, 2014-10-09 15:16:52]

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

[commit-bot: I haz the power, 2014-10-09 15:16:52]

Failed to commit the patch.

[commit-bot: I haz the power, 2014-10-09 15:18:02]

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

[anujsharma, 2014-10-09 16:19:34]

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

[commit-bot: I haz the power, 2014-10-09 16:21:26]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/638413002/1

[commit-bot: I haz the power, 2014-10-09 16:23:22]

Committed patchset #1 (id:1) as c88facbf379fa681c099b0aaf294dd3638fe3be0

[commit-bot: I haz the power, 2014-10-09 16:24:36]

Patchset 1 (id:??) landed as
https://crrev.com/9f6fde290ca5a86291bdf9e89bd7388fa0bb7487
Cr-Commit-Position: refs/heads/master@{#298897}