Migrate WTF::Deque::first() to ::front()

Migrate WTF::Deque::first() to ::front()

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/2752593003
Cr-Commit-Position: refs/heads/master@{#456798}
Committed: https://chromium.googlesource.com/chromium/src/+/2c5469af36b09c670cc19ddd589b09bc14008210

[pilgrim_google, 2017-03-14 16:56:49]

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

[pilgrim_google, 2017-03-14 16:57:01]

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

[commit-bot: I haz the power, 2017-03-14 16:57:25]

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

[haraken, 2017-03-14 17:00:16]

LGTM

[pilgrim_google, 2017-03-14 17:00:50]

The CQ bit was unchecked by pilgrim@chromium.org

[pilgrim_google, 2017-03-14 17:00:52]

The CQ bit was checked by pilgrim@chromium.org

[commit-bot: I haz the power, 2017-03-14 17:01:34]

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, 2017-03-14 17:16:27]

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

[commit-bot: I haz the power, 2017-03-14 17:16:28]

Try jobs failed on following builders:
  mac_chromium_compile_dbg_ng on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_comp...)

[pilgrim_google, 2017-03-14 17:40:29]

The CQ bit was checked by pilgrim@chromium.org

[pilgrim_google, 2017-03-14 17:40:30]

The patchset sent to the CQ was uploaded after l-g-t-m from haraken@chromium.org
Link to the patchset: https://codereview.chromium.org/2752593003/#ps20001
(title: "one more platform specific reference")

[commit-bot: I haz the power, 2017-03-14 17:41:09]

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, 2017-03-14 18:48:30]

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

[commit-bot: I haz the power, 2017-03-14 18:48:31]

Try jobs failed on following builders:
  linux_chromium_chromeos_rel_ng on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[pilgrim_google, 2017-03-14 19:08:31]

The CQ bit was checked by pilgrim@chromium.org

[commit-bot: I haz the power, 2017-03-14 19:09:38]

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, 2017-03-14 19:57:46]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1489518511981520,
"parent_rev": "bcba8c8b526a9476f40f3830b3daabac7812bbcc", "commit_rev":
"2c5469af36b09c670cc19ddd589b09bc14008210"}

[commit-bot: I haz the power, 2017-03-14 19:58:30]

Description was changed from

==========
Migrate WTF::Deque::first() to ::front()

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::Deque::first() to ::front()

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/2752593003
Cr-Commit-Position: refs/heads/master@{#456798}
Committed:
https://chromium.googlesource.com/chromium/src/+/2c5469af36b09c670cc19ddd589b...
==========

[commit-bot: I haz the power, 2017-03-14 19:58:31]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/2c5469af36b09c670cc19ddd589b...