Fix crash in extension_custom_bindings.js by defining WINDOW_ID_NONE locally

Fix crash in extension_custom_bindings.js by defining WINDOW_ID_NONE locally
rather than looking up chrome.windows.


BUG=110694
TEST=as in bug

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=118573

[not at google - send to devlin, 2012-01-20 07:04:02]

Temporary measure to fix bug.

Or maybe not.

[Aaron Boodman, 2012-01-20 07:08:35]

On 2012/01/20 07:04:02, kalman wrote:
> Temporary measure to fix bug.
> 
> Or maybe not.

Bummer, but makes sense. LGTM.

[commit-bot: I haz the power, 2012-01-20 07:33:09]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/kalman@chromium.org/9138009/1

[commit-bot: I haz the power, 2012-01-20 09:48:46]

Try job failure for 9138009-1 (retry) on mac_rel for step "browser_tests".
It's a second try, previously, steps "browser_tests, ui_tests" failed.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=mac_rel&nu...

[commit-bot: I haz the power, 2012-01-20 12:58:53]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/kalman@chromium.org/9138009/1

[commit-bot: I haz the power, 2012-01-20 19:01:25]

The commit queue went berserk retrying too often for a
seemingly flaky test. Builder is mac_rel, revision is 118459, job name
was 9138009-1 (retry) (retry) (retry) (previous was lost).