Making the Mac build of crash_report work again after the last SVN sync. This includes correction of a method definition signature and adding missing code files to the project.

I'm commiting this on behalf of Thomas Schweitzer.
Review URL: https://breakpad.appspot.com/914002

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1261 4c0a9323-5329-0410-9bdc-e9ce6186880e