Serializer: move to a subfolder and clean up includes.

Serializer: move to a subfolder and clean up includes.

R=jochen@chromium.org

Committed: https://crrev.com/019096f82915b68a22807f683b878e42517a3cab
Cr-Commit-Position: refs/heads/master@{#27501}

[jochen (gone - plz use gerrit), 2015-03-27 14:38:03]

change looks good, but I think it would be prudent to first discuss the addition
of OWNERS files internally (and give everybody enough time to respond)

[Yang, 2015-03-27 14:40:01]

On 2015/03/27 14:38:03, jochen wrote:
> change looks good, but I think it would be prudent to first discuss the
addition
> of OWNERS files internally (and give everybody enough time to respond)

I removed OWNERS file for now.

[jochen (gone - plz use gerrit), 2015-03-27 15:06:13]

lgtm

[Yang, 2015-03-27 15:26:24]

The CQ bit was checked by yangguo@chromium.org

[commit-bot: I haz the power, 2015-03-27 15:26:38]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1041743002/50001

[commit-bot: I haz the power, 2015-03-27 15:29:05]

Committed patchset #4 (id:50001)

[commit-bot: I haz the power, 2015-03-27 15:29:15]

Patchset 4 (id:??) landed as
https://crrev.com/019096f82915b68a22807f683b878e42517a3cab
Cr-Commit-Position: refs/heads/master@{#27501}