Don't call OnRegistrationDeleted when the unregistration failed.

Don't call OnRegistrationDeleted when the unregistration failed.

BUG=

Committed: https://crrev.com/9fe1bd708a7c749f93527e79489327a0b44c57bb
Cr-Commit-Position: refs/heads/master@{#322555}

[horo, 2015-03-27 09:36:20]

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

[horo, 2015-03-27 09:36:20]

falken@
Could you please review this?

[falken, 2015-03-27 09:40:53]

On 2015/03/27 09:36:20, horo wrote:
> falken@
> Could you please review this?

lgtm

[horo, 2015-03-27 09:42:30]

The CQ bit was checked by horo@chromium.org

[commit-bot: I haz the power, 2015-03-27 09:42:57]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1040653002/1

[nhiroki, 2015-03-27 09:46:38]

Just curious: Have you seen any bug related to this? (change itself looks good
to me)

[horo, 2015-03-27 09:52:19]

On 2015/03/27 09:46:38, nhiroki wrote:
> Just curious: Have you seen any bug related to this? (change itself looks good
> to me)

I didn't create crbug for it.
I noticed this bug while I'm writing CLs to show the SW registration information
in DevTools Window .

[nhiroki, 2015-03-27 10:00:16]

On 2015/03/27 09:52:19, horo wrote:
> On 2015/03/27 09:46:38, nhiroki wrote:
> > Just curious: Have you seen any bug related to this? (change itself looks
good
> > to me)
> 
> I didn't create crbug for it.
> I noticed this bug while I'm writing CLs to show the SW registration
information
> in DevTools Window .

I see, thanks! (geofencing seems to depend on this event, so I asked it, just in
case)

[commit-bot: I haz the power, 2015-03-27 11:38:32]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-27 11:39:06]

Patchset 1 (id:??) landed as
https://crrev.com/9fe1bd708a7c749f93527e79489327a0b44c57bb
Cr-Commit-Position: refs/heads/master@{#322555}