Revert of [ic] [stubs] Don't use Code::flags in megamorphic stub cache hash computations.

Revert of [ic] [stubs] Don't use Code::flags in megamorphic stub cache hash computations. (patchset #2 id:20001 of https://codereview.chromium.org/2147433002/ )

Reason for revert:
Unfortunately, the performance issues are still there on Android.

Original issue's description:
> [ic] [stubs] Don't use Code::flags in megamorphic stub cache hash computations.
>
> This should avoid weird performance issues when changing layout of Code::flags field.
>
> BUG=chromium:618701
>
> Committed: https://crrev.com/aa4140b1ccc114b82700471513c715f68b7c5dac
> Cr-Commit-Position: refs/heads/master@{#37755}

TBR=jkummerow@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:618701
Committed: https://crrev.com/e6b3002a613da0aa63d039e9629a3688825d22d3
Cr-Commit-Position: refs/heads/master@{#37801}

[Igor Sheludko, 2016-07-15 16:07:29]

The CQ bit was checked by ishell@chromium.org

[Igor Sheludko, 2016-07-15 16:07:29]

Created Revert of [ic] [stubs] Don't use Code::flags in megamorphic stub cache
hash computations.

[commit-bot: I haz the power, 2016-07-15 16:07:36]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-07-15 17:19:39]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-07-15 17:19:41]

CQ bit was unchecked.

[commit-bot: I haz the power, 2016-07-15 17:21:59]

Description was changed from

==========
Revert of [ic] [stubs] Don't use Code::flags in megamorphic stub cache hash
computations. (patchset #2 id:20001 of
https://codereview.chromium.org/2147433002/ )

Reason for revert:
Unfortunately, the performance issues are still there on Android.

Original issue's description:
> [ic] [stubs] Don't use Code::flags in megamorphic stub cache hash
computations.
> 
> This should avoid weird performance issues when changing layout of Code::flags
field.
> 
> BUG=chromium:618701
> 
> Committed: https://crrev.com/aa4140b1ccc114b82700471513c715f68b7c5dac
> Cr-Commit-Position: refs/heads/master@{#37755}

TBR=jkummerow@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:618701
==========

to

==========
Revert of [ic] [stubs] Don't use Code::flags in megamorphic stub cache hash
computations. (patchset #2 id:20001 of
https://codereview.chromium.org/2147433002/ )

Reason for revert:
Unfortunately, the performance issues are still there on Android.

Original issue's description:
> [ic] [stubs] Don't use Code::flags in megamorphic stub cache hash
computations.
>
> This should avoid weird performance issues when changing layout of Code::flags
field.
>
> BUG=chromium:618701
>
> Committed: https://crrev.com/aa4140b1ccc114b82700471513c715f68b7c5dac
> Cr-Commit-Position: refs/heads/master@{#37755}

TBR=jkummerow@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:618701

Committed: https://crrev.com/e6b3002a613da0aa63d039e9629a3688825d22d3
Cr-Commit-Position: refs/heads/master@{#37801}
==========

[commit-bot: I haz the power, 2016-07-15 17:22:00]

Patchset 1 (id:??) landed as
https://crrev.com/e6b3002a613da0aa63d039e9629a3688825d22d3
Cr-Commit-Position: refs/heads/master@{#37801}