Gets events dispatching working in mushrome

Gets events dispatching working in mushrome

Without this pre-target handlers on the Shell aren't used, and further
it doesn't seem like dispatch works at all without it.

BUG=none
TEST=none
R=sadrul@chromium.org

[sky, 2017-04-06 17:30:41]

The CQ bit was checked by sky@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-04-06 17:31:38]

Dry run: 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, 2017-04-06 18:14:09]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-04-06 18:14:10]

Dry run: Try jobs failed on following builders:
  linux_chromium_chromeos_ozone_rel_ng on master.tryserver.chromium.linux
(JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  linux_chromium_chromeos_rel_ng on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[sky, 2017-04-06 18:17:07]

The CQ bit was checked by sky@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-04-06 18:18:17]

Dry run: 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, 2017-04-06 20:45:04]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-04-06 20:45:04]

Dry run: This issue passed the CQ dry run.

[sadrul, 2017-04-07 03:36:56]

I looked at the change, but looks like we shouldn't need this. Maybe something
in the event-dispatch mechanism is actually wrong. I am looking at this to see
if I can figure out what the problem is.

[sky, 2017-04-07 14:32:48]

I thought so to. I'll poke at it some more today.

On Thu, Apr 6, 2017 at 8:36 PM, <sadrul@chromium.org> wrote:

> I looked at the change, but looks like we shouldn't need this. Maybe
> something
> in the event-dispatch mechanism is actually wrong. I am looking at this to
> see
> if I can figure out what the problem is.
>
> https://codereview.chromium.org/2806553002/
>

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[sky, 2017-04-07 18:00:00]

On 2017/04/07 14:32:48, sky wrote:
> I thought so to. I'll poke at it some more today.
> 
> On Thu, Apr 6, 2017 at 8:36 PM, <mailto:sadrul@chromium.org> wrote:
> 
> > I looked at the change, but looks like we shouldn't need this. Maybe
> > something
> > in the event-dispatch mechanism is actually wrong. I am looking at this to
> > see
> > if I can figure out what the problem is.
> >
> > https://codereview.chromium.org/2806553002/
> >
> 
> -- 
> You received this message because you are subscribed to the Google Groups
> "Chromium-reviews" group.
> To unsubscribe from this group and stop receiving emails from it, send an
email
> to mailto:chromium-reviews+unsubscribe@chromium.org.

This patch is wrong. I'll send the right patch and and closing this one out.

[sky, 2017-04-07 18:20:54]

On 2017/04/07 18:00:00, sky wrote:
> On 2017/04/07 14:32:48, sky wrote:
> > I thought so to. I'll poke at it some more today.
> > 
> > On Thu, Apr 6, 2017 at 8:36 PM, <mailto:sadrul@chromium.org> wrote:
> > 
> > > I looked at the change, but looks like we shouldn't need this. Maybe
> > > something
> > > in the event-dispatch mechanism is actually wrong. I am looking at this to
> > > see
> > > if I can figure out what the problem is.
> > >
> > > https://codereview.chromium.org/2806553002/
> > >
> > 
> > -- 
> > You received this message because you are subscribed to the Google Groups
> > "Chromium-reviews" group.
> > To unsubscribe from this group and stop receiving emails from it, send an
> email
> > to mailto:chromium-reviews+unsubscribe@chromium.org.
> 
> This patch is wrong. I'll send the right patch and and closing this one out.

The right fix is here: https://codereview.chromium.org/2807683002/