Drop GlobalHistoryMac.mm from the build.  It's been removed upstream. Review URL: http://codereview.chromium.org/6470
Drop GlobalHistoryMac.mm from the build.  It's been removed upstream.
Review URL: http://codereview.chromium.org/6470

git-svn-id: http://src.chromium.org/svn/trunk/src@2859 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 1ad49bd27d3edcb0eb3c2aebcaccc56068932e7b
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser