PPC: Fix DCHECK in CallApiFunctionStubHelper.

PPC: Fix DCHECK in CallApiFunctionStubHelper.

R=joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=

Committed: https://crrev.com/4f6c5108c4dfd0b228aaf448d515efd1c1b1ec4b
Cr-Commit-Position: refs/heads/master@{#34448}

[MTBrandyberry, 2016-03-02 21:13:35]

PTAL

[MTBrandyberry, 2016-03-02 21:13:40]

The CQ bit was checked by mbrandy@us.ibm.com to run a CQ dry run

[commit-bot: I haz the power, 2016-03-02 21:13:48]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1756303002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1756303002/1

[commit-bot: I haz the power, 2016-03-02 21:31:59]

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

[commit-bot: I haz the power, 2016-03-02 21:32:00]

Dry run: This issue passed the CQ dry run.

[JoranSiu, 2016-03-02 22:53:16]

On 2016/03/02 21:32:00, commit-bot: I haz the power wrote:
> Dry run: This issue passed the CQ dry run.

lgtm

[MTBrandyberry, 2016-03-02 22:55:27]

The CQ bit was checked by mbrandy@us.ibm.com

[commit-bot: I haz the power, 2016-03-02 22:55:34]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1756303002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1756303002/1

[commit-bot: I haz the power, 2016-03-02 22:57:14]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-02 22:59:08]

Description was changed from

==========
PPC: Fix DCHECK in CallApiFunctionStubHelper.

R=joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=
==========

to

==========
PPC: Fix DCHECK in CallApiFunctionStubHelper.

R=joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=

Committed: https://crrev.com/4f6c5108c4dfd0b228aaf448d515efd1c1b1ec4b
Cr-Commit-Position: refs/heads/master@{#34448}
==========

[commit-bot: I haz the power, 2016-03-02 22:59:09]

Patchset 1 (id:??) landed as
https://crrev.com/4f6c5108c4dfd0b228aaf448d515efd1c1b1ec4b
Cr-Commit-Position: refs/heads/master@{#34448}