Gardening: Add another Leak expectation for scroll customization

Gardening: Add another Leak expectation for scroll customization

It's failing on Linux Leak. Probably r201736
https://codereview.chromium.org/1236913004 missed adding the
expectation.

Build: https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20Leak/builds/13880
Leak log:
({"numberOfLiveActiveDOMObjects":[2,4],"numberOfLiveDocuments":[1,2],"numberOfLiveNodes":[4,36],"numberOfLiveResources":[0,2]})

BUG=410974
TBR=tdresser
NOTRY=true

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=201762

[falken, 2015-09-04 02:31:48]

falken@chromium.org changed reviewers:
+ tdresser@chromium.org

[falken, 2015-09-04 02:32:16]

The CQ bit was checked by falken@chromium.org

[commit-bot: I haz the power, 2015-09-04 02:32:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1326083003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1326083003/1

[commit-bot: I haz the power, 2015-09-04 02:36:44]

Committed patchset #1 (id:1) as
https://src.chromium.org/viewvc/blink?view=rev&revision=201762

[tdresser, 2015-09-04 12:52:19]

On 2015/09/04 02:36:44, commit-bot: I haz the power wrote:
> Committed patchset #1 (id:1) as
> https://src.chromium.org/viewvc/blink?view=rev&revision=201762

Thanks, I've verified this suppression is correct.

[haraken, 2015-09-04 12:52:54]

LGTM

[tdresser, 2015-09-04 12:54:25]

On 2015/09/04 12:52:54, haraken wrote:
> LGTM

LGTM