Lazy load lock_screen.html in options.

Lazy load lock_screen.html in options.

Locally, this brings first paint time from 1000ms to 500ms.

BUG=670914
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

[jdufault, 2016-12-03 01:05:50]

Description was changed from

==========
Lazy load lock_screen.html in options.

Locally, this brings first paint time from 1000ms to 500ms.

BUG=
==========

to

==========
Lazy load lock_screen.html in options.

Locally, this brings first paint time from 1000ms to 500ms.

BUG=
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
==========

[jdufault, 2016-12-03 01:05:56]

The CQ bit was checked by jdufault@chromium.org to run a CQ dry run

[jdufault, 2016-12-03 01:06:29]

Description was changed from

==========
Lazy load lock_screen.html in options.

Locally, this brings first paint time from 1000ms to 500ms.

BUG=
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
==========

to

==========
Lazy load lock_screen.html in options.

Locally, this brings first paint time from 1000ms to 500ms.

BUG=670914
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
==========

[commit-bot: I haz the power, 2016-12-03 01:06:41]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[jdufault, 2016-12-03 01:15:56]

jdufault@chromium.org changed reviewers:
+ dbeam@chromium.org, xiaoyinh@chromium.org

[jdufault, 2016-12-03 01:16:14]

dbeam@, xiaoyinh@, PTAL. Thanks!

[commit-bot: I haz the power, 2016-12-03 01:58:13]

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

[commit-bot: I haz the power, 2016-12-03 01:58:14]

Dry run: Try jobs failed on following builders:
  linux_chromium_chromeos_ozone_rel_ng on master.tryserver.chromium.linux
(JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[Dan Beam, 2016-12-03 02:05:06]

https://codereview.chromium.org/2547273002/diff/1/chrome/browser/resources/op...
File chrome/browser/resources/options/chromeos/quick_unlock_configure_overlay.js
(right):

https://codereview.chromium.org/2547273002/diff/1/chrome/browser/resources/op...
chrome/browser/resources/options/chromeos/quick_unlock_configure_overlay.js:59:
this.lazyLoadPolymer_();
i don't think we should load polymer until we actually click the "Manage screen
lock" link, IMO

I've uploaded a slightly simpler version of this using Promises and only lazy
loading the bundle on didShowPage here:
https://codereview.chromium.org/2529293015/

[jdufault, 2016-12-03 02:12:28]

Closing in favor of https://codereview.chromium.org/2529293015/