Migrate WTF::LinkedHashSet/ListHashSet::last() to ::back()

Migrate WTF::LinkedHashSet/ListHashSet::last() to ::back()

As discussed on platform-architecture-dev [0], there is interest in
normalizing the methods of WTF classes to better align with std classes.

There are no functional changes.

[0] https://groups.google.com/a/chromium.org/d/topic/platform-architecture-dev/I7jnz4p1h84/discussion

BUG=662431
Review-Url: https://codereview.chromium.org/2725343002
Cr-Commit-Position: refs/heads/master@{#455227}
Committed: https://chromium.googlesource.com/chromium/src/+/7279ec4f24f817ebf896786e0497cea494658243

[pilgrim_google, 2017-03-03 15:47:41]

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

[commit-bot: I haz the power, 2017-03-03 15:47:59]

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, 2017-03-03 15:53:32]

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

[commit-bot: I haz the power, 2017-03-03 15:53:34]

Dry run: 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...)
  linux_chromium_asan_rel_ng on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[pilgrim_google, 2017-03-03 16:01:16]

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

[commit-bot: I haz the power, 2017-03-03 16:01:31]

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, 2017-03-03 16:13:59]

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

[commit-bot: I haz the power, 2017-03-03 16:14:00]

Dry run: Try jobs failed on following builders:
  mac_chromium_rel_ng on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)

[pilgrim_google, 2017-03-03 16:16:03]

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

[commit-bot: I haz the power, 2017-03-03 16:16:17]

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, 2017-03-03 16:31:07]

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

[commit-bot: I haz the power, 2017-03-03 16:31:08]

Dry run: Try jobs failed on following builders:
  cast_shell_linux on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/cast_shell_linu...)

[pilgrim_google, 2017-03-03 16:58:54]

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

[commit-bot: I haz the power, 2017-03-03 16:59:12]

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, 2017-03-03 20:04:02]

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

[commit-bot: I haz the power, 2017-03-03 20:04:03]

Dry run: This issue passed the CQ dry run.

[pilgrim_google, 2017-03-07 16:20:54]

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

[pilgrim_google, 2017-03-07 16:21:17]

pilgrim@chromium.org changed reviewers:
+ esprehn@chromium.org, haraken@chromium.org, yutak@chromium.org

[commit-bot: I haz the power, 2017-03-07 16:21:42]

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

[haraken, 2017-03-07 18:00:06]

LGTM

[commit-bot: I haz the power, 2017-03-07 18:15:08]

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

[commit-bot: I haz the power, 2017-03-07 18:15:08]

Dry run: This issue passed the CQ dry run.

[pilgrim_google, 2017-03-07 21:04:41]

The CQ bit was checked by pilgrim@chromium.org

[commit-bot: I haz the power, 2017-03-07 21:05:53]

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, 2017-03-07 21:46:09]

CQ is committing da patch.

Bot data: {"patchset_id": 80001, "attempt_start_ts": 1488920681984270,
"parent_rev": "b29954e8ac243142eaedbcc3c6e54d480373ee38", "commit_rev":
"7279ec4f24f817ebf896786e0497cea494658243"}

[commit-bot: I haz the power, 2017-03-07 21:46:52]

Description was changed from

==========
Migrate WTF::LinkedHashSet/ListHashSet::last() to ::back()

As discussed on platform-architecture-dev [0], there is interest in
normalizing the methods of WTF classes to better align with std classes.

There are no functional changes.

[0]
https://groups.google.com/a/chromium.org/d/topic/platform-architecture-dev/I7...

BUG=662431
==========

to

==========
Migrate WTF::LinkedHashSet/ListHashSet::last() to ::back()

As discussed on platform-architecture-dev [0], there is interest in
normalizing the methods of WTF classes to better align with std classes.

There are no functional changes.

[0]
https://groups.google.com/a/chromium.org/d/topic/platform-architecture-dev/I7...

BUG=662431

Review-Url: https://codereview.chromium.org/2725343002
Cr-Commit-Position: refs/heads/master@{#455227}
Committed:
https://chromium.googlesource.com/chromium/src/+/7279ec4f24f817ebf896786e0497...
==========

[commit-bot: I haz the power, 2017-03-07 21:46:52]

Committed patchset #5 (id:80001) as
https://chromium.googlesource.com/chromium/src/+/7279ec4f24f817ebf896786e0497...