[DevTools] More UX fixes in Device Mode.

[DevTools] More UX fixes in Device Mode.

- Add a couple of options to Command Menu;
- Fixed a bug with bad scaling in captured screenshot;
- Fixed wrong position of outline on small screens;
- Added screen border to partial screenshots.

BUG=none

Committed: https://crrev.com/646a9e6f11d1bf61b5d387f0b0d797f857c9a3eb
Cr-Commit-Position: refs/heads/master@{#393441}

[dgozman, 2016-05-12 21:40:51]

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

[dgozman, 2016-05-12 21:40:52]

Take a look please.

[pfeldman, 2016-05-13 02:13:57]

lgtm

[dgozman, 2016-05-13 02:16:15]

The CQ bit was checked by dgozman@chromium.org

[commit-bot: I haz the power, 2016-05-13 02:16:35]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1972213003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1972213003/1

[commit-bot: I haz the power, 2016-05-13 03:22:03]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-13 03:23:17]

Description was changed from

==========
[DevTools] More UX fixes in Device Mode.

- Add a couple of options to Command Menu;
- Fixed a bug with bad scaling in captured screenshot;
- Fixed wrong position of outline on small screens;
- Added screen border to partial screenshots.

BUG=none
==========

to

==========
[DevTools] More UX fixes in Device Mode.

- Add a couple of options to Command Menu;
- Fixed a bug with bad scaling in captured screenshot;
- Fixed wrong position of outline on small screens;
- Added screen border to partial screenshots.

BUG=none

Committed: https://crrev.com/646a9e6f11d1bf61b5d387f0b0d797f857c9a3eb
Cr-Commit-Position: refs/heads/master@{#393441}
==========

[commit-bot: I haz the power, 2016-05-13 03:23:18]

Patchset 1 (id:??) landed as
https://crrev.com/646a9e6f11d1bf61b5d387f0b0d797f857c9a3eb
Cr-Commit-Position: refs/heads/master@{#393441}