Oilpan: remove consts when checking GC-class convertibility.

Oilpan: remove consts when checking GC-class convertibility.

Achieve the desired conversion outcomes when working with const types,
explicitly removing "const" qualifiers throughout before testing if
class types can be converted to GarbageCollected{Mixin,Finalized} etc.

R=haraken@chromium.org,erik.corry@gmail.com
BUG=

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=174175

[haraken, 2014-05-16 08:18:44]

This makes sense to me, but template experts in Denmark should take a look :)

[sof, 2014-05-16 08:23:50]

On 2014/05/16 08:18:44, haraken wrote:
> This makes sense to me, but template experts in Denmark should take a look :)

Thanks, const-removal like this is done by COMPILE_ASSERT_IS_GARBAGE_COLLECTED()
already.

[sof, 2014-05-16 08:24:14]

Please take a look.

[Erik Corry, 2014-05-16 11:38:03]

LGTM

It's Store Bededag i Denmark today, so code review responses won't be very fast.

[sof, 2014-05-16 11:51:04]

On 2014/05/16 11:38:03, Erik Corry wrote:
> LGTM
> 
> It's Store Bededag i Denmark today, so code review responses won't be very
fast.

Thanks, do enjoy :) Will try to land this.

[sof, 2014-05-16 11:51:25]

The CQ bit was checked by sigbjornf@opera.com

[commit-bot: I haz the power, 2014-05-16 11:51:39]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/sigbjornf@opera.com/282263006/1

[commit-bot: I haz the power, 2014-05-16 13:07:51]

FYI, CQ is re-trying this CL (attempt #1).
Please consider checking whether the failures are real,
and report flakes to chrome-troopers@google.com.
The failing builders are:
  mac_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/mac_blink_rel/builds/6872)

[commit-bot: I haz the power, 2014-05-16 14:06:39]

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

[commit-bot: I haz the power, 2014-05-16 14:06:39]

Try jobs failed on following builders:
  mac_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/mac_blink_rel/builds/6891)

[sof, 2014-05-16 14:38:40]

The CQ bit was checked by sigbjornf@opera.com

[commit-bot: I haz the power, 2014-05-16 14:38:47]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/sigbjornf@opera.com/282263006/1

[commit-bot: I haz the power, 2014-05-16 15:15:27]

Change committed as 174175