Remove gflags dependency for screenshare_loopback

Remove gflags dependency for screenshare_loopback

BUG=webrtc:7644
NOTRY=True

Review-Url: https://codereview.webrtc.org/2888643003
Cr-Commit-Position: refs/heads/master@{#18186}
Committed: https://chromium.googlesource.com/external/webrtc/+/12fa8f444c0e7dec42c37caee457b2f02b0e95aa

[kjellander_webrtc, 2017-05-16 20:27:31]

kjellander@webrtc.org changed reviewers:
+ sprang@webrtc.org

[kjellander_webrtc, 2017-05-17 17:56:46]

Friendly ping

[sprang_webrtc, 2017-05-17 18:17:15]

lgtm

[sprang_webrtc, 2017-05-17 18:17:21]

The CQ bit was checked by sprang@webrtc.org

[commit-bot: I haz the power, 2017-05-17 18:17:31]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[commit-bot: I haz the power, 2017-05-17 18:19:58]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1495045041373690, "parent_rev":
"1592c74d8a5613baa0a0853abeca7f9d81712dbe", "commit_rev":
"12fa8f444c0e7dec42c37caee457b2f02b0e95aa"}

[commit-bot: I haz the power, 2017-05-17 18:20:03]

Description was changed from

==========
Remove gflags dependency for screenshare_loopback

BUG=webrtc:7644
NOTRY=True
==========

to

==========
Remove gflags dependency for screenshare_loopback

BUG=webrtc:7644
NOTRY=True

Review-Url: https://codereview.webrtc.org/2888643003
Cr-Commit-Position: refs/heads/master@{#18186}
Committed:
https://chromium.googlesource.com/external/webrtc/+/12fa8f444c0e7dec42c37caee...
==========

[commit-bot: I haz the power, 2017-05-17 18:20:04]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/12fa8f444c0e7dec42c37caee...