Oilpan: move DateTimeChooser to the heap.

Oilpan: move DateTimeChooser to the heap.

Done so as to allow DateTimeChooserImpl::m_chromeClient to be correctly
traced, but consistent to have this on the heap alongside the other
'chooser' object, ColorChooser.

R=haraken
BUG=553613
Committed: https://crrev.com/13b31390e406a7fc71feed27eec660f5086cb28a
Cr-Commit-Position: refs/heads/master@{#359321}

[sof, 2015-11-12 10:43:55]

sigbjornf@opera.com changed reviewers:
+ oilpan-reviews@chromium.org

[haraken, 2015-11-12 14:26:28]

LGTM

[sof, 2015-11-12 14:54:08]

Description was changed from

==========
Oilpan: move DateTimeChooser to the heap.

Done so as to allow DateTimeChooserImpl::m_chromeClient to be correctly
traced, but consistent to have this on the heap alongside the other
'chooser' object, ColorChooser.

R=
BUG=553613
==========

to

==========
Oilpan: move DateTimeChooser to the heap.

Done so as to allow DateTimeChooserImpl::m_chromeClient to be correctly
traced, but consistent to have this on the heap alongside the other
'chooser' object, ColorChooser.

R=haraken
BUG=553613
==========

[sof, 2015-11-12 14:54:15]

The CQ bit was checked by sigbjornf@opera.com

[commit-bot: I haz the power, 2015-11-12 14:54:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1432243003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1432243003/1

[commit-bot: I haz the power, 2015-11-12 15:25:50]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-11-12 20:07:31]

Patchset 1 (id:??) landed as
https://crrev.com/13b31390e406a7fc71feed27eec660f5086cb28a
Cr-Commit-Position: refs/heads/master@{#359321}