PPC: Serializer: move to a subfolder and clean up includes.

PPC: Serializer: move to a subfolder and clean up includes.

Port 019096f82915b68a22807f683b878e42517a3cab

Original commit message:

R=mbrandy@us.ibm.com

BUG=

Committed: https://crrev.com/256f00c0318f19b1c10f4026524399801ef839c5
Cr-Commit-Position: refs/heads/master@{#27506}

[michael_dawson, 2015-03-27 19:36:05]

Latest PPC port

[MTBrandyberry, 2015-03-27 19:36:40]

On 2015/03/27 19:36:05, michael_dawson wrote:
> Latest PPC port

ltgm

[michael_dawson, 2015-03-27 19:37:11]

The CQ bit was checked by michael_dawson@ca.ibm.com

[commit-bot: I haz the power, 2015-03-27 19:37:30]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1036273003/1

[commit-bot: I haz the power, 2015-03-27 19:37:31]

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

[commit-bot: I haz the power, 2015-03-27 19:37:31]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer,
_not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[MTBrandyberry, 2015-03-27 19:37:40]

On 2015/03/27 19:37:31, I haz the power (commit-bot) wrote:
> No LGTM from a valid reviewer yet. Only full committers are accepted.
> Even if an LGTM may have been provided, it was from a non-committer,
> _not_ a full super star committer.
> See http://www.chromium.org/getting-involved/become-a-committer
> Note that this has nothing to do with OWNERS files.

lgtm

[michael_dawson, 2015-03-27 19:47:02]

The CQ bit was checked by michael_dawson@ca.ibm.com

[commit-bot: I haz the power, 2015-03-27 19:47:19]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1036273003/1

[commit-bot: I haz the power, 2015-03-27 21:58:52]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-27 21:59:04]

Patchset 1 (id:??) landed as
https://crrev.com/256f00c0318f19b1c10f4026524399801ef839c5
Cr-Commit-Position: refs/heads/master@{#27506}