Apply patch for 6624008

See: http://codereview.chromium.org/6624008/
+ made set_passphrase_required() pprivate

BUG=http://code.google.com/p/chromium-os/issues/detail?id=11412
TEST=Ensure existing wifi UI is functional; 802.1x UI is still placeholder

Review URL: http://codereview.chromium.org/6627056

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@77187 0039d316-1c4b-4281-b951-d872f2087c98
12 files changed