Introduce trivial dependency on libatk.

This change adds a call to a libatk function that never gets executed, so
the Linux packaging scripts can be updated to allow a libatk dependency.
This will be followed by a subsequent change that actually implements the
libatk dependency.

BUG=24585
TEST=none
Review URL: https://chromiumcodereview.appspot.com/10380030

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@135714 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed