Revert of Respect prefs::kAllowDeletingBrowserHistory in the Clear History UI on Android.

Revert of Respect prefs::kAllowDeletingBrowserHistory in the Clear History UI on Android. (patchset #7 id:110001 of https://codereview.chromium.org/974463002/)

Reason for revert:
Need to investigate AlertDialog's getListView method when a custom view is added to it.

Original issue's description:
> Respect prefs::kAllowDeletingBrowserHistory in the Clear History UI on Android.
>
> BUG=443095
>
> Committed: https://crrev.com/935a20a1398e28ba5ec3298ae97c941810e618c0
> Cr-Commit-Position: refs/heads/master@{#319618}

TBR=bauerb@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=443095
Committed: https://crrev.com/6effee7ce16454e78f8b4d2c8e80886ac8c72d5d
Cr-Commit-Position: refs/heads/master@{#323534}

[knn, 2015-04-02 17:11:01]

Created Revert of Respect prefs::kAllowDeletingBrowserHistory in the Clear
History UI on Android.

[knn, 2015-04-02 17:35:55]

knn@chromium.org changed reviewers:
+ kerz@chromium.org

[kerz_chromium, 2015-04-02 17:36:57]

The CQ bit was checked by kerz@chromium.org

[commit-bot: I haz the power, 2015-04-02 17:37:35]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1059453003/120001

[commit-bot: I haz the power, 2015-04-02 17:37:36]

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

[commit-bot: I haz the power, 2015-04-02 17:37:37]

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.

[kerz_chromium, 2015-04-02 17:38:45]

On 2015/04/02 17:37:37, 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

[kerz_chromium, 2015-04-02 17:38:49]

The CQ bit was checked by kerz@chromium.org

[commit-bot: I haz the power, 2015-04-02 17:39:20]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1059453003/120001

[commit-bot: I haz the power, 2015-04-02 17:41:19]

Committed patchset #2 (id:120001)

[commit-bot: I haz the power, 2015-04-03 20:27:39]

Patchset 2 (id:??) landed as
https://crrev.com/6effee7ce16454e78f8b4d2c8e80886ac8c72d5d
Cr-Commit-Position: refs/heads/master@{#323534}