tree b0d4109f19ee5e3bef82081a47b4dac4da834cf4
parent f909585ebb37123bfdce827ce6a6df496a11359d
author gwt.team.ecc <gwt.team.ecc@8db76d5a-ed1c-0410-87a9-c151d255dfc7> 1177349539 +0000
committer gwt.team.ecc <gwt.team.ecc@8db76d5a-ed1c-0410-87a9-c151d255dfc7> 1177349539 +0000

Fixes issue 792 by adding guards to detatch, also throws IllegalStateException if we ever try to attach when not attached, or detach when not detached.
Review by: jgw 

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@945 8db76d5a-ed1c-0410-87a9-c151d255dfc7