- cefclient: Remove locking from ClientHandlerShared that was only required for the Windows implementation (issue #1500).
- Add CefDeleteOnThread helper for deleting ref-counted types on a named CEF thread.
git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@2001 5089003a-bbd8-11dd-ad1f-f1f9622dbc98