Update Chrome plugin naming, cleanup leftover garbage, commit object freeing code that was never committed. This was originally committed to the changes/jat/single-xpi branch by mistake. Patch by: jat Review by: rice (TBR) git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@6779 8db76d5a-ed1c-0410-87a9-c151d255dfc7