Prevent lock screen on Kiosk mode. Kiosk mode does not have a screen locker - instead it has an idle logout; hence lock screen should not be called on Kiosk mode.
Prevent lock screen on Kiosk mode.
Kiosk mode does not have a screen locker - instead it has an idle logout; hence lock screen should not be called on Kiosk mode.

R=sky@chromium.org
BUG=chromium-os:28537
TEST=Tested that the screen lock shortcut does nothing on Kiosk Mode while has normal functionality when not in kiosk mode.

Review URL: https://chromiumcodereview.appspot.com/9791032

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@129285 0039d316-1c4b-4281-b951-d872f2087c98

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