In F15, you may be faced with Aw, snap! in Chrome when it loading some web app like igoolge, google doc, etc.
The following method can fix it simply.

We are trying to control what the chrome-sandbox is allowed to do, since it is setuid. The bug that you are seeing is caused by a file/directory being created in the homedir with the wrong label on it. In F15 we did not have policycoreutils-restorecond installed by default, which would have fixed the mislabeled directory. We can add this to a comps file to make sure it gets installed in the future. In F16 we have the ability to label these files/directories correctly on creation.

The quick fix is to execute the following command:

restorecon -R ~/.config

The command also solves the problem where the Xmarks Bookmarks Synchronizer and Delicious Bookmarks Extensions keeps on crashing on Chrome on Fedora 15.

From: 
http://blog.randell.ph