Add support for geolocation wifi scanning on OSX 10.6

BUG=http://crbug.com/37198
TEST=Run browser with --enable-geolocation on OSX 10.6, open maps.google.com

Review URL: http://codereview.chromium.org/669083

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@40891 0039d316-1c4b-4281-b951-d872f2087c98
4 files changed