Temporarily expose "backKeyPressed"

Temporarily expose "backKeyPressed"

Allows subclasses to handle the back key, as well.

BUG=None

Review-Url: https://codereview.chromium.org/2706063005
Cr-Commit-Position: refs/heads/master@{#452179}
Committed: https://chromium.googlesource.com/chromium/src/+/4d2ef6f0772e9f78fa3088d8dccccc0692aec3f1

[gone, 2017-02-22 00:52:41]

dfalcantara@chromium.org changed reviewers:
+ tedchoc@chromium.org

[Ted C, 2017-02-22 04:58:43]

lgtm

[gone, 2017-02-22 17:48:53]

The CQ bit was checked by dfalcantara@chromium.org

[commit-bot: I haz the power, 2017-02-22 17:49:31]

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, 2017-02-22 18:13:49]

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

[commit-bot: I haz the power, 2017-02-22 18:13:50]

Try jobs failed on following builders:
  android_arm64_dbg_recipe on master.tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/android_arm6...)

[gone, 2017-02-22 19:08:21]

The CQ bit was checked by dfalcantara@chromium.org

[commit-bot: I haz the power, 2017-02-22 19:09:15]

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, 2017-02-22 20:11:37]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1487790501070510, "parent_rev":
"96d085c8adbd2092696fdc6c622d61a23d5de0bf", "commit_rev":
"4d2ef6f0772e9f78fa3088d8dccccc0692aec3f1"}

[commit-bot: I haz the power, 2017-02-22 20:12:12]

Description was changed from

==========
Temporarily expose "backKeyPressed"

Allows subclasses to handle the back key, as well.

BUG=None
==========

to

==========
Temporarily expose "backKeyPressed"

Allows subclasses to handle the back key, as well.

BUG=None

Review-Url: https://codereview.chromium.org/2706063005
Cr-Commit-Position: refs/heads/master@{#452179}
Committed:
https://chromium.googlesource.com/chromium/src/+/4d2ef6f0772e9f78fa3088d8dccc...
==========

[commit-bot: I haz the power, 2017-02-22 20:12:14]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/4d2ef6f0772e9f78fa3088d8dccc...