Make Keyframe::PropertySpecificKeyframes RefCounted

Make Keyframe::PropertySpecificKeyframes RefCounted

This change adds ref counting to Keyframe::PropertySpecificKeyframe.
This refactor is in preparation for https://codereview.chromium.org/1698093005
which requires multiple owners of a PropertySpecificKeyframe.
This patch introduces no change in behaviour.

BUG=360473
Committed: https://crrev.com/15e4e37b0f1046bfa45646b5336805aef062bb14
Cr-Commit-Position: refs/heads/master@{#375813}

[alancutter (OOO until 2018), 2016-02-17 00:02:12]

Description was changed from

==========
+refCountPSKs

BUG=
==========

to

==========
Make Keyframe::PropertySpecificKeyframes RefCounted

This change adds ref counting to Keyframe::PropertySpecificKeyframe.
This refactor is in preparation for https://codereview.chromium.org/1698093005
which requires multiple owners of a PropertySpecificKeyframe.
This patch introduces no change in behaviour.

BUG=360473
==========

[alancutter (OOO until 2018), 2016-02-17 00:02:12]

alancutter@chromium.org changed reviewers:
+ ericwilligers@chromium.org

[alancutter (OOO until 2018), 2016-02-17 01:15:07]

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

[commit-bot: I haz the power, 2016-02-17 01:17:40]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1701813002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1701813002/20001

[commit-bot: I haz the power, 2016-02-17 02:24:43]

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

[commit-bot: I haz the power, 2016-02-17 02:24:43]

Dry run: This issue passed the CQ dry run.

[Eric Willigers, 2016-02-17 06:20:25]

lgtm

[alancutter (OOO until 2018), 2016-02-17 06:34:46]

The CQ bit was checked by alancutter@chromium.org

[commit-bot: I haz the power, 2016-02-17 06:35:43]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1701813002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1701813002/20001

[commit-bot: I haz the power, 2016-02-17 06:40:59]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-02-17 06:42:08]

Description was changed from

==========
Make Keyframe::PropertySpecificKeyframes RefCounted

This change adds ref counting to Keyframe::PropertySpecificKeyframe.
This refactor is in preparation for https://codereview.chromium.org/1698093005
which requires multiple owners of a PropertySpecificKeyframe.
This patch introduces no change in behaviour.

BUG=360473
==========

to

==========
Make Keyframe::PropertySpecificKeyframes RefCounted

This change adds ref counting to Keyframe::PropertySpecificKeyframe.
This refactor is in preparation for https://codereview.chromium.org/1698093005
which requires multiple owners of a PropertySpecificKeyframe.
This patch introduces no change in behaviour.

BUG=360473

Committed: https://crrev.com/15e4e37b0f1046bfa45646b5336805aef062bb14
Cr-Commit-Position: refs/heads/master@{#375813}
==========

[commit-bot: I haz the power, 2016-02-17 06:42:09]

Patchset 2 (id:??) landed as
https://crrev.com/15e4e37b0f1046bfa45646b5336805aef062bb14
Cr-Commit-Position: refs/heads/master@{#375813}