Files.app: Disable eject button on MTP device.

Files.app: Disable eject button on MTP device.

BUG=495997
TEST=manually tested; Connect MTP device and confirm that MTP volume does not have eject button.

Committed: https://crrev.com/f0da152fd8af7961e00508e40ec0662f32dc8d5d
Cr-Commit-Position: refs/heads/master@{#333233}

[yawano, 2015-06-05 09:41:31]

yawano@chromium.org changed reviewers:
+ yoshiki@chromium.org

[yawano, 2015-06-05 09:41:31]

PTAL. Thank you!

[yoshiki, 2015-06-08 02:18:43]

lgtm

[yawano, 2015-06-08 02:22:24]

On 2015/06/08 02:18:43, yoshiki wrote:
> lgtm

Thank you!

[yawano, 2015-06-08 02:22:55]

The CQ bit was checked by yawano@chromium.org

[commit-bot: I haz the power, 2015-06-08 02:23:00]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1148853004/1

[commit-bot: I haz the power, 2015-06-08 02:44:22]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-06-08 02:45:24]

Patchset 1 (id:??) landed as
https://crrev.com/f0da152fd8af7961e00508e40ec0662f32dc8d5d
Cr-Commit-Position: refs/heads/master@{#333233}