[iOS/GN] Fix the extension used by application extension bundles.

[iOS/GN] Fix the extension used by application extension bundles.

Application extension bundle uses the ".appex" extension, not ".appext".
Fix the extension used by the template and the template name.

BUG=603032, 603036
Committed: https://crrev.com/f9aecef3dcf22d4cdd4cd84bc3cc0bb39abb58f6
Cr-Commit-Position: refs/heads/master@{#396217}

[sdefresne, 2016-05-26 15:53:53]

sdefresne@chromium.org changed reviewers:
+ rsesek@chromium.org

[sdefresne, 2016-05-26 15:53:54]

Please take a look (Olivier pointed out that I used the wrong extension) and
send to CQ if you have no comments.

[Robert Sesek, 2016-05-26 15:54:58]

The CQ bit was checked by rsesek@chromium.org

[Robert Sesek, 2016-05-26 15:54:59]

lgtm

[commit-bot: I haz the power, 2016-05-26 15:55:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2015933002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/2015933002/1

[commit-bot: I haz the power, 2016-05-26 17:34:50]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-26 17:36:14]

Description was changed from

==========
[iOS/GN] Fix the extension used by application extension bundles.

Application extension bundle uses the ".appex" extension, not ".appext".
Fix the extension used by the template and the template name.

BUG=603032,603036
==========

to

==========
[iOS/GN] Fix the extension used by application extension bundles.

Application extension bundle uses the ".appex" extension, not ".appext".
Fix the extension used by the template and the template name.

BUG=603032,603036

Committed: https://crrev.com/f9aecef3dcf22d4cdd4cd84bc3cc0bb39abb58f6
Cr-Commit-Position: refs/heads/master@{#396217}
==========

[commit-bot: I haz the power, 2016-05-26 17:36:18]

Patchset 1 (id:??) landed as
https://crrev.com/f9aecef3dcf22d4cdd4cd84bc3cc0bb39abb58f6
Cr-Commit-Position: refs/heads/master@{#396217}