Upgrade Mac ref build to snapshot r 68669

git-svn-id: http://src.chromium.org/svn/trunk/deps/reference_builds/chrome_mac@68706 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
644 files changed
tree: 1dbab34e65487a7fedd1ffd02634225748512101
  1. Chromium.app/
  2. Google Chrome.app/
  3. notes.txt