Revert to using ForceSet for installing the document property for now

Revert to using ForceSet for installing the document property for now

Depends on https://codereview.chromium.org/1816033002

BUG=595601
R=verwaest@chromium.org

Committed: https://crrev.com/3b8fd0235bcbb1088d9a3660d581ebfdc161f953
Cr-Commit-Position: refs/heads/master@{#382292}

[Toon Verwaest, 2016-03-21 07:30:26]

lgtm

[haraken, 2016-03-21 08:04:41]

LGTM

[haraken, 2016-03-21 08:05:19]

Shall we add a TODO?

[jochen (gone - plz use gerrit), 2016-03-21 13:18:04]

jochen@chromium.org changed reviewers:
+ haraken@chromium.org

[jochen (gone - plz use gerrit), 2016-03-21 13:18:04]

The CQ bit was checked by jochen@chromium.org

[jochen (gone - plz use gerrit), 2016-03-21 13:18:04]

done

[jochen (gone - plz use gerrit), 2016-03-21 13:18:05]

The patchset sent to the CQ was uploaded after l-g-t-m from
haraken@chromium.org, verwaest@chromium.org
Link to the patchset: https://codereview.chromium.org/1817003002/#ps20001
(title: "updates")

[commit-bot: I haz the power, 2016-03-21 13:18:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1817003002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1817003002/20001

[commit-bot: I haz the power, 2016-03-21 15:25:48]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-03-21 15:27:25]

Description was changed from

==========
Revert to using ForceSet for installing the document property for now

Depends on https://codereview.chromium.org/1816033002

BUG=595601
R=verwaest@chromium.org
==========

to

==========
Revert to using ForceSet for installing the document property for now

Depends on https://codereview.chromium.org/1816033002

BUG=595601
R=verwaest@chromium.org

Committed: https://crrev.com/3b8fd0235bcbb1088d9a3660d581ebfdc161f953
Cr-Commit-Position: refs/heads/master@{#382292}
==========

[commit-bot: I haz the power, 2016-03-21 15:27:26]

Patchset 2 (id:??) landed as
https://crrev.com/3b8fd0235bcbb1088d9a3660d581ebfdc161f953
Cr-Commit-Position: refs/heads/master@{#382292}