Gtk3: Fix black patches on GtkFileChooser dialogs

Gtk3: Fix black patches on GtkFileChooser dialogs

This CL fixes parts of GtkFileChoosers not getting rendered on GNOME
standard themes (Adwaita + HighContrast) causing black areas to
appear.

BUG=704092
R=erg@chromium.org
TBR=sky@chromium.org

Review-Url: https://codereview.chromium.org/2854773002
Cr-Commit-Position: refs/heads/master@{#468803}
Committed: https://chromium.googlesource.com/chromium/src/+/ea8d1f89cb74cd379d78cf276bf6efbc3bf3ba6c

[Tom (Use chromium acct), 2017-05-02 03:15:26]

reviewers ptal

erg: libgtkui
sky: ui/base/glib/scoped_gobject.h

[Elliot Glaysher, 2017-05-02 17:15:43]

lgtm

[Tom (Use chromium acct), 2017-05-02 21:31:40]

sky seems to be gone right now, so TBR'ing him so that I can land and merge to
M59

[Tom (Use chromium acct), 2017-05-02 21:31:50]

Description was changed from

==========
Gtk3: Fix black patches on GtkFileChooser dialogs

This CL fixes parts of GtkFileChoosers not getting rendered on GNOME
standard themes (Adwaita + HighContrast) causing black areas to
appear.

BUG=704092
R=erg@chromium.org,sky@chromium.org
==========

to

==========
Gtk3: Fix black patches on GtkFileChooser dialogs

This CL fixes parts of GtkFileChoosers not getting rendered on GNOME
standard themes (Adwaita + HighContrast) causing black areas to
appear.

BUG=704092
R=erg@chromium.org
TBR=sky@chromium.org
==========

[Tom (Use chromium acct), 2017-05-02 21:31:55]

The CQ bit was checked by thomasanderson@google.com

[Tom (Use chromium acct), 2017-05-02 21:31:56]

The patchset sent to the CQ was uploaded after l-g-t-m from erg@chromium.org
Link to the patchset: https://codereview.chromium.org/2854773002/#ps20001
(title: ".")

[commit-bot: I haz the power, 2017-05-02 21:32:40]

CQ is trying da patch.

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

[Tom (Use chromium acct), 2017-05-02 21:37:22]

The CQ bit was unchecked by thomasanderson@google.com

[Tom (Use chromium acct), 2017-05-02 21:44:30]

Patchset #1 (id:1) has been deleted

[Tom (Use chromium acct), 2017-05-02 21:44:51]

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

[commit-bot: I haz the power, 2017-05-02 21:45:25]

Dry run: 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, 2017-05-02 22:42:46]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-05-02 22:42:47]

Dry run: This issue passed the CQ dry run.

[Tom (Use chromium acct), 2017-05-02 22:43:03]

The CQ bit was checked by thomasanderson@google.com

[Tom (Use chromium acct), 2017-05-02 22:43:04]

The patchset sent to the CQ was uploaded after l-g-t-m from erg@chromium.org
Link to the patchset: https://codereview.chromium.org/2854773002/#ps40001
(title: ".")

[commit-bot: I haz the power, 2017-05-02 22:43:41]

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, 2017-05-02 22:49:30]

CQ is committing da patch.

Bot data: {"patchset_id": 40001, "attempt_start_ts": 1493764983771760,
"parent_rev": "a63f0414a0a1d530469f5ccc3c4a581d7292db4b", "commit_rev":
"ea8d1f89cb74cd379d78cf276bf6efbc3bf3ba6c"}

[commit-bot: I haz the power, 2017-05-02 22:49:40]

Description was changed from

==========
Gtk3: Fix black patches on GtkFileChooser dialogs

This CL fixes parts of GtkFileChoosers not getting rendered on GNOME
standard themes (Adwaita + HighContrast) causing black areas to
appear.

BUG=704092
R=erg@chromium.org
TBR=sky@chromium.org
==========

to

==========
Gtk3: Fix black patches on GtkFileChooser dialogs

This CL fixes parts of GtkFileChoosers not getting rendered on GNOME
standard themes (Adwaita + HighContrast) causing black areas to
appear.

BUG=704092
R=erg@chromium.org
TBR=sky@chromium.org

Review-Url: https://codereview.chromium.org/2854773002
Cr-Commit-Position: refs/heads/master@{#468803}
Committed:
https://chromium.googlesource.com/chromium/src/+/ea8d1f89cb74cd379d78cf276bf6...
==========

[commit-bot: I haz the power, 2017-05-02 22:49:41]

Committed patchset #2 (id:40001) as
https://chromium.googlesource.com/chromium/src/+/ea8d1f89cb74cd379d78cf276bf6...

[sky, 2017-05-03 03:19:15]

LGTM