Add UseCounter for RenderRuby

Add UseCounter for RenderRuby

I'm curious how common Ruby really is, as it adds complexity to
Line Layout.

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=184316

[leviw_travelin_and_unemployed, 2014-10-23 21:14:23]

leviw@chromium.org changed reviewers:
+ pdr@chromium.org

[pdr., 2014-10-23 21:17:19]

On 2014/10/23 at 21:14:23, leviw wrote:
> 

Do we need to usecount RenderRubyRun and RenderRubyText too?

[leviw_travelin_and_unemployed, 2014-10-23 21:49:47]

On 2014/10/23 at 21:17:19, pdr wrote:
> On 2014/10/23 at 21:14:23, leviw wrote:
> > 
> 
> Do we need to usecount RenderRubyRun and RenderRubyText too?

We certainly could, but those are weird cases. Proper ruby should be inside a
ruby container. I'm tempted to start here and add tracking to the others if this
one actually looks small enough to be interesting.

[pdr., 2014-10-23 21:51:29]

On 2014/10/23 at 21:49:47, leviw wrote:
> On 2014/10/23 at 21:17:19, pdr wrote:
> > On 2014/10/23 at 21:14:23, leviw wrote:
> > > 
> > 
> > Do we need to usecount RenderRubyRun and RenderRubyText too?
> 
> We certainly could, but those are weird cases. Proper ruby should be inside a
ruby container. I'm tempted to start here and add tracking to the others if this
one actually looks small enough to be interesting.

LGTM

[leviw_travelin_and_unemployed, 2014-10-23 22:56:40]

The CQ bit was checked by leviw@chromium.org

[leviw_travelin_and_unemployed, 2014-10-23 22:56:40]

Cool thanks!

[commit-bot: I haz the power, 2014-10-23 22:58:53]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/672343002/1

[commit-bot: I haz the power, 2014-10-24 00:11:02]

Committed patchset #1 (id:1) as 184316