RecentTabsPage code cleanup.

RecentTabsPage code cleanup.

* Delete some one-line helper functions.
* Provide some more default method implementations in class Group.

BUG=659631
Review-Url: https://codereview.chromium.org/2616953002
Cr-Commit-Position: refs/heads/master@{#441946}
Committed: https://chromium.googlesource.com/chromium/src/+/8739cd56aa328f7972c60cba5f0d3348a108c273

[Michael van Ouwerkerk, 2017-01-05 15:55:50]

The CQ bit was checked by mvanouwerkerk@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-01-05 15:56:08]

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

[Michael van Ouwerkerk, 2017-01-05 15:57:24]

mvanouwerkerk@chromium.org changed reviewers:
+ bauerb@chromium.org

[Michael van Ouwerkerk, 2017-01-05 15:57:24]

Bernhard, could you take a look please?

[commit-bot: I haz the power, 2017-01-05 16:55:21]

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

[commit-bot: I haz the power, 2017-01-05 16:55:21]

Dry run: This issue passed the CQ dry run.

[Bernhard Bauer, 2017-01-05 18:51:45]

lgtm

[Michael van Ouwerkerk, 2017-01-06 15:35:14]

The CQ bit was checked by mvanouwerkerk@chromium.org

[Michael van Ouwerkerk, 2017-01-06 15:35:15]

The patchset sent to the CQ was uploaded after l-g-t-m from bauerb@chromium.org
Link to the patchset: https://codereview.chromium.org/2616953002/#ps20001
(title: "Rebase.")

[commit-bot: I haz the power, 2017-01-06 15:35:34]

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, 2017-01-06 16:16:38]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1483716914960960,
"parent_rev": "44f9d281fad4e41cbb47dd63327754d41fd20190", "commit_rev":
"8739cd56aa328f7972c60cba5f0d3348a108c273"}

[commit-bot: I haz the power, 2017-01-06 16:17:07]

Description was changed from

==========
RecentTabsPage code cleanup.

* Delete some one-line helper functions.
* Provide some more default method implementations in class Group.

BUG=659631
==========

to

==========
RecentTabsPage code cleanup.

* Delete some one-line helper functions.
* Provide some more default method implementations in class Group.

BUG=659631

Review-Url: https://codereview.chromium.org/2616953002
Cr-Commit-Position: refs/heads/master@{#441946}
Committed:
https://chromium.googlesource.com/chromium/src/+/8739cd56aa328f7972c60cba5f0d...
==========

[commit-bot: I haz the power, 2017-01-06 16:17:10]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/8739cd56aa328f7972c60cba5f0d...