Revert of ChromeOS NetworkScreenHandler should not call CheckAndResolveLocale on UI thread. (patchs…

Revert of ChromeOS NetworkScreenHandler should not call CheckAndResolveLocale on UI thread. (patchset #17 id:320001 of https://codereview.chromium.org/620563002/)

Reason for revert:
Speculatively reverting for https://crbug.com/422703

Original issue's description:
> ChromeOS NetworkScreenHandler should not call CheckAndResolveLocale on UI thread.
>
> BUG=419030
>
> Committed: https://crrev.com/d52dffddbf0abe5ca55509a9cdedcd9b0674bb1c
> Cr-Commit-Position: refs/heads/master@{#298860}

TBR=dzhioev@chromium.org,nkostylev@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=422703
Committed: https://crrev.com/f09329c436f4929c1f9ffd59e49aa4aef441338b
Cr-Commit-Position: refs/heads/master@{#299480}

[Alexander Alekseev, 2014-10-14 14:31:42]

The CQ bit was checked by alemate@chromium.org

[commit-bot: I haz the power, 2014-10-14 14:32:21]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/653123002/1

[commit-bot: I haz the power, 2014-10-14 14:33:11]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-14 14:33:58]

Patchset 1 (id:??) landed as
https://crrev.com/f09329c436f4929c1f9ffd59e49aa4aef441338b
Cr-Commit-Position: refs/heads/master@{#299480}

[Alexander Alekseev, 2014-10-16 13:05:28]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/658903004/ by alemate@chromium.org.

The reason for reverting is: The speculative revert didn't help..