Fix base::nix::GetDesktopEnvironment for newer versions of Unity

Fix base::nix::GetDesktopEnvironment for newer versions of Unity

This CL fixes some desktop integration issues on Ubuntu 17.04, where
XDG_CURRENT_DESKTOP has changed from 'Unity' to 'Unity:Unity7' (or
'Unity:Unity8' if you're of the Mir persuasion).

BUG=706317
R=thestig@chromium.org

Review-Url: https://codereview.chromium.org/2780863003
Cr-Commit-Position: refs/heads/master@{#460492}
Committed: https://chromium.googlesource.com/chromium/src/+/9ac9895f221d2ca88e4537bd9304ad679c0e5771

[Tom (Use chromium acct), 2017-03-29 17:40:16]

The CQ bit was checked by thomasanderson@google.com to run a CQ dry run

[Tom (Use chromium acct), 2017-03-29 17:40:22]

lei ptal

[commit-bot: I haz the power, 2017-03-29 17:40:44]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Lei Zhang, 2017-03-29 18:07:29]

lgtm

Update xdg_util_unittest.cc as well?

[Tom (Use chromium acct), 2017-03-29 18:10:19]

On 2017/03/29 18:07:29, Lei Zhang wrote:
> Update xdg_util_unittest.cc as well?

Done

[Tom (Use chromium acct), 2017-03-29 18:10:23]

The CQ bit was checked by thomasanderson@google.com

[Tom (Use chromium acct), 2017-03-29 18:10:23]

The patchset sent to the CQ was uploaded after l-g-t-m from thestig@chromium.org
Link to the patchset: https://codereview.chromium.org/2780863003/#ps20001
(title: "add new tests")

[commit-bot: I haz the power, 2017-03-29 18:11:37]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-03-29 19:34:55]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1490811023305750,
"parent_rev": "2a0b10eb79e78d3aee52538d66768381769469dc", "commit_rev":
"9ac9895f221d2ca88e4537bd9304ad679c0e5771"}

[commit-bot: I haz the power, 2017-03-29 19:35:45]

Description was changed from

==========
Fix base::nix::GetDesktopEnvironment for newer versions of Unity

This CL fixes some desktop integration issues on Ubuntu 17.04, where
XDG_CURRENT_DESKTOP has changed from 'Unity' to 'Unity:Unity7' (or
'Unity:Unity8' if you're of the Mir persuasion).

BUG=706317
R=thestig@chromium.org
==========

to

==========
Fix base::nix::GetDesktopEnvironment for newer versions of Unity

This CL fixes some desktop integration issues on Ubuntu 17.04, where
XDG_CURRENT_DESKTOP has changed from 'Unity' to 'Unity:Unity7' (or
'Unity:Unity8' if you're of the Mir persuasion).

BUG=706317
R=thestig@chromium.org

Review-Url: https://codereview.chromium.org/2780863003
Cr-Commit-Position: refs/heads/master@{#460492}
Committed:
https://chromium.googlesource.com/chromium/src/+/9ac9895f221d2ca88e4537bd9304...
==========

[commit-bot: I haz the power, 2017-03-29 19:35:46]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/9ac9895f221d2ca88e4537bd9304...