Revert of Revert of Remove Scope::scope_uses_arguments_ flag

Revert of Revert of Remove Scope::scope_uses_arguments_ flag (patchset #1 id:1 of https://codereview.chromium.org/1134453002/)

Reason for revert:
[Sheriff] Speculative reland - maybe this revert wasn't necessary...

Original issue's description:
> Revert of Remove Scope::scope_uses_arguments_ flag (patchset #1 id:1 of https://codereview.chromium.org/1124233002/)
> 
> Reason for revert:
> [Sheriff] Need to fix compilation after this revert:
> https://chromium.googlesource.com/v8/v8/+/5cab6be83a44567a3ee5747d728a399025d38411
> 
> Original issue's description:
> > Remove Scope::scope_uses_arguments_ flag
> >
> > Use of arguments is tracked as a variable, like any other variable.
> >
> > R=arv@chromium.org
> > LOG=N
> > BUG=
> >
> > Committed: https://crrev.com/d4ea33f480243fb5b7d2cca6edddcaa3e9478e29
> > Cr-Commit-Position: refs/heads/master@{#28271}
> 
> TBR=arv@chromium.org,wingo@igalia.com
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=
> 
> Committed: https://crrev.com/b8ff13111a34553bf17961b9550dcbb7380273f3
> Cr-Commit-Position: refs/heads/master@{#28284}

TBR=arv@chromium.org,wingo@igalia.com
BUG=

[Michael Achenbach, 2015-05-07 07:56:02]

Created Revert of Revert of Remove Scope::scope_uses_arguments_ flag

[Michael Achenbach, 2015-05-07 07:56:18]

The CQ bit was checked by machenbach@chromium.org

[commit-bot: I haz the power, 2015-05-07 07:56:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1135463002/1

[commit-bot: I haz the power, 2015-05-07 07:57:32]

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

[commit-bot: I haz the power, 2015-05-07 07:57:33]

Try jobs failed on following builders:
  v8_linux64_avx2_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_avx2_rel/builds/174)

[Michael Achenbach, 2015-05-07 07:59:03]

Looks like both reverts were necessary. Closing this.