Fix "Languages and Input" options.

Since r56268, "value" of a preference change event is a dictionary of
"value" and "managed", hence the client code has to be changed from
e.value to e.value.value.

TEST=manually
BUG=chromium-os:5789

Review URL: http://codereview.chromium.org/3193001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@56300 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed