Fix double composition bug in "points" SVG attribute animation

Fix double composition bug in "points" SVG attribute animation

This change ensures we don't add when we should be replacing
composited "points" animations when list lengths are mismatched.

BUG=530436
Committed: https://crrev.com/aac5b6ab6baa013e85d883745953a4ad5b59dec9
Cr-Commit-Position: refs/heads/master@{#371721}

[alancutter (OOO until 2018), 2016-01-27 02:59:53]

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

[Eric Willigers, 2016-01-27 03:02:32]

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

[Eric Willigers, 2016-01-27 03:02:32]

lgtm

[alancutter (OOO until 2018), 2016-01-27 03:21:41]

The CQ bit was checked by alancutter@chromium.org

[commit-bot: I haz the power, 2016-01-27 03:22:04]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1635363002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1635363002/1

[commit-bot: I haz the power, 2016-01-27 04:25:20]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-01-27 04:26:44]

Description was changed from

==========
Fix double composition bug in "points" SVG attribute animation

This change ensures we don't add when we should be replacing
composited "points" animations when list lengths are mismatched.

BUG=530436
==========

to

==========
Fix double composition bug in "points" SVG attribute animation

This change ensures we don't add when we should be replacing
composited "points" animations when list lengths are mismatched.

BUG=530436

Committed: https://crrev.com/aac5b6ab6baa013e85d883745953a4ad5b59dec9
Cr-Commit-Position: refs/heads/master@{#371721}
==========

[commit-bot: I haz the power, 2016-01-27 04:26:45]

Patchset 1 (id:??) landed as
https://crrev.com/aac5b6ab6baa013e85d883745953a4ad5b59dec9
Cr-Commit-Position: refs/heads/master@{#371721}