KeyframeEffectTest: avoid keeping unnecessary Document reference.

KeyframeEffectTest: avoid keeping unnecessary Document reference.

Avoid introducing a Persistent<> to a Document for these unit tests,
thereby not keeping an untraced heap reference with Oilpan.

R=haraken
BUG=553613
Committed: https://crrev.com/7cfa027ab9babe8b8a3857cb44c53d5f83652e32
Cr-Commit-Position: refs/heads/master@{#360029}

[sof, 2015-11-16 15:54:10]

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

[haraken, 2015-11-16 23:31:51]

LGTM

[sof, 2015-11-17 06:17:44]

Description was changed from

==========
KeyframeEffectTest: avoid keeping unnecessary Document reference.

Avoid introducing a Persistent<> to a Document for these unit tests,
thereby not keeping an untraced heap reference with Oilpan.

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

to

==========
KeyframeEffectTest: avoid keeping unnecessary Document reference.

Avoid introducing a Persistent<> to a Document for these unit tests,
thereby not keeping an untraced heap reference with Oilpan.

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

[sof, 2015-11-17 06:17:52]

The CQ bit was checked by sigbjornf@opera.com

[commit-bot: I haz the power, 2015-11-17 06:18:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1452613002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1452613002/1

[commit-bot: I haz the power, 2015-11-17 07:12:41]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-11-17 07:13:43]

Patchset 1 (id:??) landed as
https://crrev.com/7cfa027ab9babe8b8a3857cb44c53d5f83652e32
Cr-Commit-Position: refs/heads/master@{#360029}