GoogleChrome/chrome-app-samples — pull request #246 by beaufortfrancois (2014-05-26 12:10:57+00:00)
Title: [gapi-chrome-apps] Added identity accountHint

Since cca v0.0.9, it's possible to specify the account to authenticate in the event that the account chooser dialog is to appear to prevent the account chooser dialog from appearing on Android.

https://plus.google.com/u/0/+GoogleChromeDevelopers/posts/YNC9BBayJU5

BUG=#244