GoogleWebAuthorizationBroker.AuthorizeAsync Hang when user closes browser

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Use GoogleWebAuthorizationBroker.AuthorizeAsync to gain user credentials
2. User nether accepts nor rejects permission, but closes browser window/tab
3. Works on Calendar.VB.ConsoleApp, haven't tried others.

What is the expected output? What do you see instead?
An exception to be thrown which could be caught.
Program stays in loop w/o exit, even with await clause.

What version of the product are you using?
What is your operating system? Win7 and Win8
What is your IDE? VS2013
What is the .NET framework version? 4.0 and 4.5

Please provide any additional information below.
Others from SE with same issue:

http://stackoverflow.com/questions/24659654/google-drive-catch-events-during-aut
hentication
http://stackoverflow.com/questions/22995218/google-drive-oauth-connect-probem  
[Note, setting Await still wasn't able to wrap error]
http://stackoverflow.com/questions/23475498/oauth-lockup-google

Original issue reported on code.google.com by Michael....@gmail.com on 19 Nov 2014 at 2:43

[GoogleCodeExporter]

Also happens in my C# VSTO, which can cause Excel to hang and force termination 
at the process.

Original comment by Michael....@gmail.com on 19 Nov 2014 at 2:44

[GoogleCodeExporter]

Original comment by pele...@google.com on 23 Nov 2014 at 3:26

• Changed state: Accepted
• Added labels: Milestone-Release1.9.1

[GoogleCodeExporter]

Original comment by pele...@google.com on 23 Dec 2014 at 1:49

• Added labels: Milestone-Release1.9.2
• Removed labels: Milestone-Release1.9.1