[MD settings] replace secondary-action with separator

chrome/browser/resources/settings/people_page/lock_screen.html

 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/html/i18n_behavior.html">
 <link rel="import" href="chrome://resources/html/web_ui_listener_behavior.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button-light.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-radio-group/paper-radio-group.html">
 <link rel="import" href="../controls/settings_toggle_button.html">
 <link rel="import" href="easy_unlock_browser_proxy.html">
 <link rel="import" href="easy_unlock_turn_off_dialog.html">
 <link rel="import" href="fingerprint_browser_proxy.html">
 <link rel="import" href="lock_screen_constants.html">
@@ skipping 103 matching lines @@
               </a>
               <template is="dom-if" if="[[getShowEasyUnlockToggle_(
                   easyUnlockEnabled_, easyUnlockProximityDetectionAllowed_)]]">
                 <settings-toggle-button
                     pref="{{prefs.easy_unlock.proximity_required}}"
                     label="$i18n{easyUnlockRequireProximityLabel}">
                 </settings-toggle-button>
               </template>
             </div>
           </div>
-          <div class="secondary-action">
-            <template is="dom-if" if="[[!easyUnlockEnabled_]]">
-              <paper-button id="easyUnlockSetup" class="secondary-button"
-                  on-tap="onEasyUnlockSetupTap_">
-                $i18n{easyUnlockSetupButton}
-              </paper-button>
-            </template>
-            <template is="dom-if" if="[[easyUnlockEnabled_]]">
-              <paper-button id="easyUnlockTurnOff" class="secondary-button"
-                  on-tap="onEasyUnlockTurnOffTap_">
-                $i18n{easyUnlockTurnOffButton}
-              </paper-button>
-            </template>
-          </div>
+          <div class="separator"></div>
+          <template is="dom-if" if="[[!easyUnlockEnabled_]]">
+            <paper-button id="easyUnlockSetup" class="secondary-button"
+                on-tap="onEasyUnlockSetupTap_">
+              $i18n{easyUnlockSetupButton}
+            </paper-button>
+          </template>
+          <template is="dom-if" if="[[easyUnlockEnabled_]]">
+            <paper-button id="easyUnlockTurnOff" class="secondary-button"
+                on-tap="onEasyUnlockTurnOffTap_">
+              $i18n{easyUnlockTurnOffButton}
+            </paper-button>
+          </template>
         </div>
       </template>
 
       <settings-password-prompt-dialog id="passwordPrompt"
           on-close="onPasswordClosed_" set-modes="{{setModes_}}">
       </settings-password-prompt-dialog>
 
       <settings-setup-pin-dialog id="setupPin" on-done="onPinSetupDone_"
           on-close="onSetupPinClosed_" set-modes="[[setModes_]]">
       </settings-setup-pin-dialog>
 
       <template is="dom-if" if="[[showEasyUnlockTurnOffDialog_]]">
         <easy-unlock-turn-off-dialog id="easyUnlockTurnOffDialog"
             on-close="onEasyUnlockTurnOffDialogClose_">
         </easy-unlock-turn-off-dialog>
       </template>
     </div>
   </template>
 
   <script src="lock_screen.js"></script>
 </dom-module>