Gtk: Remove some unused members of GtkUi

Gtk: Remove some unused members of GtkUi

BUG=132847
R=erg@chromium.org

Review-Url: https://codereview.chromium.org/2665753003
Cr-Commit-Position: refs/heads/master@{#447329}
Committed: https://chromium.googlesource.com/chromium/src/+/2702a3dbb732c51ab72b11c776635286905df1c5

[Tom (Use chromium acct), 2017-01-31 19:15:13]

ping.  not sure if you saw this one

[Elliot Glaysher, 2017-01-31 20:07:34]

sorry, this one slipped through the cracks. lgtm

[Tom (Use chromium acct), 2017-01-31 20:10:28]

The CQ bit was checked by thomasanderson@google.com

[commit-bot: I haz the power, 2017-01-31 20:11:09]

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, 2017-01-31 21:06:13]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1485893428956420, "parent_rev":
"3cfd71affd2ece0c60efa1c1f98481ffae83d365", "commit_rev":
"2702a3dbb732c51ab72b11c776635286905df1c5"}

[commit-bot: I haz the power, 2017-01-31 21:07:00]

Description was changed from

==========
Gtk: Remove some unused members of GtkUi

BUG=132847
R=erg@chromium.org
==========

to

==========
Gtk: Remove some unused members of GtkUi

BUG=132847
R=erg@chromium.org

Review-Url: https://codereview.chromium.org/2665753003
Cr-Commit-Position: refs/heads/master@{#447329}
Committed:
https://chromium.googlesource.com/chromium/src/+/2702a3dbb732c51ab72b11c77663...
==========

[commit-bot: I haz the power, 2017-01-31 21:07:02]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/2702a3dbb732c51ab72b11c77663...