These are all of the files in the tree that gets pulled for Firefox that have extensions of ".m" or ".mm". We'll start with these. When a file has been completed and checked in we'll strike it. After these files are complete we'll go after files that need to be renamed to ".mm" and files that have to use a different extension.
* toolkit{{bug|417566}}
** /toolkit/xre/nsNativeAppSupportCocoa.mm
** /toolkit/xre/MacApplicationDelegate.mm