Gtk3: Fix memory leaks

Gtk3: Fix memory leak, fix pseudoclasses on Gtk3.14

This CL
* Fixes a GtkStyleContext leak
* Ignores a leak caused by GtkStatusIcon
* Fixes selectors that have a pseudoclass on a non-leaf widget
  such as "button:disabled label" on Gtk3.14.

BUG=79722
R=erg@chromium.org

Review-Url: https://codereview.chromium.org/2696903003
Cr-Commit-Position: refs/heads/master@{#450518}
Committed: https://chromium.googlesource.com/chromium/src/+/7acd31ee32e847f162438dee848f0d8c35936941

[Tom (Use chromium acct), 2017-02-14 22:06:54]

Patchset #1 (id:1) has been deleted

[Tom (Use chromium acct), 2017-02-14 22:11:44]

Description was changed from

==========
Gtk3: Fix memory leaks

BUG=79722
R=erg@chromium.org
==========

to

==========
Gtk3: Fix memory leak, fix pseudoclasses on Gtk3.14

This CL
* Fixes a GtkStyleContext leak
* Ignores a leak caused by GtkStatusIcon
* Fixes selectors that have a pseudoclass on a non-leaf widget
  such as "button:disabled label" on Gtk3.14.

BUG=79722
R=erg@chromium.org
==========

[Tom (Use chromium acct), 2017-02-14 22:12:47]

erg ptal

This fixes the inactive menuitem text from yesterday.

After this, I'll land the cl that adds "use_gtk3=true"

[Tom (Use chromium acct), 2017-02-14 22:12:50]

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

[commit-bot: I haz the power, 2017-02-14 22:13:48]

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

[Elliot Glaysher, 2017-02-14 22:25:31]

lgtm

[commit-bot: I haz the power, 2017-02-14 23:27:17]

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

[commit-bot: I haz the power, 2017-02-14 23:27:17]

Dry run: This issue passed the CQ dry run.

[Tom (Use chromium acct), 2017-02-14 23:27:34]

The CQ bit was checked by thomasanderson@google.com

[commit-bot: I haz the power, 2017-02-14 23:28:26]

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, 2017-02-14 23:58:36]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1487114854646040,
"parent_rev": "f7ac891577ddd5fddc4846eba0496f6d8dddab6c", "commit_rev":
"7acd31ee32e847f162438dee848f0d8c35936941"}

[commit-bot: I haz the power, 2017-02-14 23:59:12]

Description was changed from

==========
Gtk3: Fix memory leak, fix pseudoclasses on Gtk3.14

This CL
* Fixes a GtkStyleContext leak
* Ignores a leak caused by GtkStatusIcon
* Fixes selectors that have a pseudoclass on a non-leaf widget
  such as "button:disabled label" on Gtk3.14.

BUG=79722
R=erg@chromium.org
==========

to

==========
Gtk3: Fix memory leak, fix pseudoclasses on Gtk3.14

This CL
* Fixes a GtkStyleContext leak
* Ignores a leak caused by GtkStatusIcon
* Fixes selectors that have a pseudoclass on a non-leaf widget
  such as "button:disabled label" on Gtk3.14.

BUG=79722
R=erg@chromium.org

Review-Url: https://codereview.chromium.org/2696903003
Cr-Commit-Position: refs/heads/master@{#450518}
Committed:
https://chromium.googlesource.com/chromium/src/+/7acd31ee32e847f162438dee848f...
==========

[commit-bot: I haz the power, 2017-02-14 23:59:13]

Committed patchset #1 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/7acd31ee32e847f162438dee848f...