Add SharedWorkerServiceImpl::CheckWorkerDependency().

Add SharedWorkerServiceImpl::CheckWorkerDependency().

This method checks the worker dependency of renderer processes and calls IncrementWorkerRefCount and DecrementWorkerRefCount of RenderProcessHostImpl on UI thread if necessary.

The old cl (http://crrev.com/256305) was reverted (http://crrev.com/256323) because of the memory leak in MockMessagePortMessageFilter::Send and MockSharedWorkerMessageFilter::Send.
This cl has fixed it.

The difference between this cl and the old cl is the null value handling of message_queue_ in MockMessagePortMessageFilter::Send and MockSharedWorkerMessageFilter::Send. 


BUG=327256, 351492
TBR=jochen@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=256749

[horo, 2014-03-12 03:59:50]

kinuko@
Could you please review this?

The difference between this cl and the old cl (http://crrev.com/256305) is the
null value handling of message_queue_ in MockMessagePortMessageFilter::Send and
MockSharedWorkerMessageFilter::Send.

[kinuko, 2014-03-12 04:08:30]

On 2014/03/12 03:59:50, horo wrote:
> kinuko@
> Could you please review this?
> 
> The difference between this cl and the old cl (http://crrev.com/256305) is the
> null value handling of message_queue_ in MockMessagePortMessageFilter::Send
and
> MockSharedWorkerMessageFilter::Send.

I see... lgtm.

[horo, 2014-03-12 04:11:55]

jochen@
Could you please review content/browser/message_port_message_filter.h in this
cl?

[horo, 2014-03-12 04:20:46]

On 2014/03/12 04:11:55, horo wrote:
> jochen@
> Could you please review content/browser/message_port_message_filter.h in this
> cl?

TBR-ing jochen@ because this cl is for relanding.
Thank you.

[horo, 2014-03-12 04:21:13]

The CQ bit was checked by horo@chromium.org

[commit-bot: I haz the power, 2014-03-12 04:22:31]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/horo@chromium.org/196483003/40001

[horo, 2014-03-12 04:29:03]

The CQ bit was unchecked by horo@chromium.org

[jochen (gone - plz use gerrit), 2014-03-12 12:39:06]

lgtm

[horo, 2014-03-12 23:02:33]

The CQ bit was checked by horo@chromium.org

[commit-bot: I haz the power, 2014-03-12 23:08:22]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/horo@chromium.org/196483003/60001

[commit-bot: I haz the power, 2014-03-13 05:16:04]

Change committed as 256749