CodeCleanup: eliminate unnecessary base class and make the children unvirtual.

CodeCleanup: eliminate unnecessary base class and make the children unvirtual.

I found some strange split in deopt entry points generator.
The code for table entry generator had two classes.
It is safe to join these classes together and drop virtual.

BUG=
LOG=n

Committed: https://crrev.com/9f91fde045042419dce01f1bde25dee7a48c741e
Cr-Commit-Position: refs/heads/master@{#27264}

[loislo, 2015-03-18 10:18:31]

loislo@chromium.org changed reviewers:
+ jarin@chromium.org, ricow@chromium.org

[loislo, 2015-03-18 10:18:32]

PTAL

[Jarin, 2015-03-18 10:22:53]

lgtm. thanks for the cleanup!

[loislo, 2015-03-18 10:27:56]

The CQ bit was checked by loislo@chromium.org

[commit-bot: I haz the power, 2015-03-18 10:28:04]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1010413003/1

[commit-bot: I haz the power, 2015-03-18 10:34:13]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-18 10:34:29]

Patchset 1 (id:??) landed as
https://crrev.com/9f91fde045042419dce01f1bde25dee7a48c741e
Cr-Commit-Position: refs/heads/master@{#27264}