Eagerly finalize V8AbstractEventListeners.

Eagerly finalize V8AbstractEventListeners.

The listener's wrapper needs to be promptly cleared so as to prevent
untidy accesses to a poisoned heap by v8's GC if the listener is instead
lazily swept & finalized.

R=haraken
BUG=491488
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=199721

[sof, 2015-07-30 07:41:13]

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

[sof, 2015-07-30 07:41:14]

please take a look.

Addresses flaky crashers,


https://storage.googleapis.com/chromium-layout-test-archives/WebKit_Linux_Oil...

[haraken, 2015-07-30 07:54:23]

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

[haraken, 2015-07-30 07:54:23]

Thanks for digging into the flakiness. LGTM.

[sof, 2015-07-30 08:03:45]

The CQ bit was checked by sigbjornf@opera.com

[commit-bot: I haz the power, 2015-07-30 08:04:00]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1263953002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1263953002/1

[commit-bot: I haz the power, 2015-07-30 08:42:22]

Committed patchset #1 (id:1) as
https://src.chromium.org/viewvc/blink?view=rev&revision=199721