Fix %SetFlags("--stress-compaction")

Fix %SetFlags("--stress-compaction")

BUG=369943
LOG=N
R=hpayer@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=21260

[Hannes Payer (out of office), 2014-05-06 15:18:17]

I find the dependency between stress_compaction and gc_global weird. Anyhow, as
you pointed out with that dependency we never run that code when we specify the
flags using the command line. In that case, we should remove that code since it
is never executed.

[Jarin, 2014-05-07 06:38:13]

On 2014/05/06 15:18:17, Hannes Payer wrote:
> I find the dependency between stress_compaction and gc_global weird. Anyhow,
as
> you pointed out with that dependency we never run that code when we specify
the
> flags using the command line. In that case, we should remove that code since
it
> is never executed.

Removed.

[Hannes Payer (out of office), 2014-05-07 07:32:04]

lgtm

[Jarin, 2014-05-12 10:39:23]

Committed patchset #2 manually as r21260 (presubmit successful).