Remove unnecessary finalization of IDBObserver classes.

Remove unnecessary finalization of IDBObserver classes.

IDBObserver and IDBObserverChanges do not need to be finalized,
nor have user-defined empty destructors.

R=
BUG=609934
Committed: https://crrev.com/eb03c7af065402fdfb997eea91bf7a7a650c94aa
Cr-Commit-Position: refs/heads/master@{#402117}

[sof, 2016-06-26 19:27:09]

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

[sof, 2016-06-26 19:27:09]

please take a look.

[haraken, 2016-06-27 01:07:56]

LGTM

[sof, 2016-06-27 05:06:00]

The CQ bit was checked by sigbjornf@opera.com

[commit-bot: I haz the power, 2016-06-27 05:06:08]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-06-27 05:10:12]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-27 05:12:10]

Description was changed from

==========
Remove unnecessary finalization of IDBObserver classes.

IDBObserver and IDBObserverChanges do not need to be finalized,
nor have user-defined empty destructors.

R=
BUG=609934
==========

to

==========
Remove unnecessary finalization of IDBObserver classes.

IDBObserver and IDBObserverChanges do not need to be finalized,
nor have user-defined empty destructors.

R=
BUG=609934

Committed: https://crrev.com/eb03c7af065402fdfb997eea91bf7a7a650c94aa
Cr-Commit-Position: refs/heads/master@{#402117}
==========

[commit-bot: I haz the power, 2016-06-27 05:12:12]

Patchset 1 (id:??) landed as
https://crrev.com/eb03c7af065402fdfb997eea91bf7a7a650c94aa
Cr-Commit-Position: refs/heads/master@{#402117}