Add scheib to content/shell/OWNERS for bluetooth files.

Add scheib to content/shell/OWNERS for bluetooth files.

This enables ownership of content shell support for testing
Web Bluetooth. An example of early support being added in
https://codereview.chromium.org/1132943002
content/shell/browser/layout_test/layout_test_bluetooth_adapter_provider.h/cc

BUG=420275
Committed: https://crrev.com/128c707035cb40b0b0773ba4c13d9d3e34b41c27
Cr-Commit-Position: refs/heads/master@{#329957}

[scheib, 2015-05-14 17:44:33]

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

[pfeldman, 2015-05-14 22:15:48]

lgtm

[scheib, 2015-05-14 22:27:07]

The CQ bit was checked by scheib@chromium.org

[commit-bot: I haz the power, 2015-05-14 22:29:10]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1142523003/1

[jochen (gone - plz use gerrit), 2015-05-14 22:32:13]

Note that test files aren't supposed to go in the top level directory, and per
file rules aren't recursive

[commit-bot: I haz the power, 2015-05-14 22:36:36]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-05-14 22:38:16]

Patchset 1 (id:??) landed as
https://crrev.com/128c707035cb40b0b0773ba4c13d9d3e34b41c27
Cr-Commit-Position: refs/heads/master@{#329957}

[scheib, 2015-05-14 23:08:29]

On 2015/05/14 22:32:13, jochen (traveling) wrote:
> Note that test files aren't supposed to go in the top level directory, and per
> file rules aren't recursive

I'll fix up in a follow up patch.

[scheib, 2015-05-14 23:19:32]

On 2015/05/14 23:08:29, scheib wrote:
> On 2015/05/14 22:32:13, jochen (traveling) wrote:
> > Note that test files aren't supposed to go in the top level directory, and
per
> > file rules aren't recursive
> 
> I'll fix up in a follow up patch.

https://codereview.chromium.org/1128423004