Trouble with sign-in on CloudFilePicker

[gregbillock]

What steps will reproduce the problem?

1. Launch Chrome. make sure you are not signed into Google apps.
2. Open www.imagemator.com, click to pick an image and choose CFP
   (or you can directly visit www.cloudfilepicker.com)
3. It will ask you to sign into Google. Sign in.

What is the expected result?
After signing in, you should be able to pick an image

What happens instead?
No action. Empty sign-in window.

See http://code.google.com/p/chromium/issues/detail?id=156701

[gregbillock]

Is this a cross-origin messaging problem? Getting an error that

INFO:CONSOLE(0) "Unable to post message to https://docs.google.com. Recipient has origin http://www.cloudfilepicker.com.