Remove deprecated methods from Pickle.

Remove deprecated methods from Pickle.

BUG=444578
TEST=none
R=nasko@chromium.org
TBR=ben@chromium.org

Committed: https://chromium.googlesource.com/chromium/src/+/b740bfe23ae7ad244356a4a7538b95ae560251db

Committed: https://crrev.com/48fc13b16667c53399774daeccdb1ce5a625578f
Cr-Commit-Position: refs/heads/master@{#309691}

[Avi (use Gerrit), 2014-12-22 15:07:29]

avi@chromium.org changed reviewers:
+ nasko@chromium.org

[nasko, 2014-12-22 18:34:23]

I've seen a few methods called *FromPickle and I'm fine with not renaming them,
as the source is ultimately the Pickle itself anyway.

LGTM

[commit-bot: I haz the power, 2014-12-22 19:14:09]

Patchset 10 (id:??) landed as
https://crrev.com/b740bfe23ae7ad244356a4a7538b95ae560251db
Cr-Commit-Position: refs/heads/master@{#309445}

[Avi (use Gerrit), 2014-12-22 19:14:17]

Committed patchset #10 (id:180001) manually as
b740bfe23ae7ad244356a4a7538b95ae560251db (presubmit successful).

[Avi (use Gerrit), 2014-12-28 19:04:13]

A revert of this CL (patchset #10 id:180001) has been created in
https://codereview.chromium.org/825353003/ by avi@chromium.org.

The reason for reverting is: Allegedly causes a performance hit:
http://crbug.com/445173.

[Avi (use Gerrit), 2014-12-28 22:38:11]

The CQ bit was checked by avi@chromium.org

[commit-bot: I haz the power, 2014-12-28 22:39:10]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/818833004/180001

[commit-bot: I haz the power, 2014-12-28 23:32:20]

Committed patchset #10 (id:180001)

[commit-bot: I haz the power, 2014-12-28 23:33:26]

Patchset 10 (id:??) landed as
https://crrev.com/48fc13b16667c53399774daeccdb1ce5a625578f
Cr-Commit-Position: refs/heads/master@{#309691}