Fix ManagePasswordsBubbleViewTest.FadeOnKey

Fix ManagePasswordsBubbleViewTest.FadeOnKey

The original test failed on XP:
manage_passwords_bubble_view_browsertest.cc(68): error: Value of: ManagePasswordsBubbleView::manage_password_bubble()-> IsFadingAway()
Actual: false
Expected: true

BUG=412340
Committed: https://crrev.com/6f1fb8f50b4091e57d7706d5ace974b9969bba10
Cr-Commit-Position: refs/heads/master@{#293962}

[vasilii, 2014-09-09 16:54:54]

vasilii@chromium.org changed reviewers:
+ mkwst@chromium.org

[vasilii, 2014-09-09 16:54:54]

Hi Mike, 

please review.

[Mike West, 2014-09-09 17:04:28]

LGTM if the bot's happy.

[vasilii, 2014-09-09 17:14:54]

There is no XP trybot. So we'll know tomorrow if it's happy.

[vasilii, 2014-09-09 17:15:04]

The CQ bit was checked by vasilii@chromium.org

[commit-bot: I haz the power, 2014-09-09 17:17:51]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/vasilii@chromium.org/556793004/1

[commit-bot: I haz the power, 2014-09-09 17:45:21]

Committed patchset #1 (id:1) as 2518489ce8ab5b0c235873fb518d9c9c0af885bb

[commit-bot: I haz the power, 2014-09-10 03:54:08]

Patchset 1 (id:??) landed as
https://crrev.com/6f1fb8f50b4091e57d7706d5ace974b9969bba10
Cr-Commit-Position: refs/heads/master@{#293962}