Clean up managed user settings dialogs.

chrome/browser/ui/webui/options/managed_user_set_passphrase_browsertest.js

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 GEN('#include "chrome/browser/ui/webui/options/' +
     'managed_user_set_passphrase_test.h"');
 
 /**
  * Test fixture for managed user set passphrase WebUI testing.
  * @constructor
@@ skipping 69 matching lines @@
       this.mockHandler.expects(once()).setPassphrase(['test_passphrase']);
       this.savePassphrase();
     });
 
 // Verify that empty passphrase is not allowed.
 TEST_F('ManagedUserSetPassphraseTest', 'EmptyPassphrase',
     function() {
       this.setPassphrase();
       this.enterPassphrase('');
       this.confirmPassphrase('');
-      this.mockHandler.expects(never()).setPassphrase(ANYTHING);
+      this.mockHandler.expects(once()).setPassphrase(['']);
       this.savePassphrase();
     });
 
 // Verify that the confirm passphrase input needs to contain the same
 // passphrase as the passphrase input.
 TEST_F('ManagedUserSetPassphraseTest', 'DifferentPassphrase',
     function() {
       this.setPassphrase();
       this.enterPassphrase('test_passphrase');
       this.confirmPassphrase('confirm_passphrase');
       this.mockHandler.expects(never()).setPassphrase(ANYTHING);
       this.savePassphrase();
     });