MD Settings: Touch up cr-dialog footers

chrome/browser/resources/settings/reset_page/reset_profile_dialog.html

 <link rel="import" href="chrome://resources/cr_elements/cr_dialog/cr_dialog.html">
 <link rel="import" href="chrome://resources/html/action_link.html">
 <link rel="import" href="chrome://resources/html/action_link_css.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/html/web_ui_listener_behavior.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/classes/iron-flex-layout.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-checkbox/paper-checkbox.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-spinner/paper-spinner.html">
 <link rel="import" href="/reset_page/reset_browser_proxy.html">
@@ skipping 27 matching lines @@
         </paper-spinner>
         <paper-button class="cancel-button" on-tap="onCancelTap_"
             id="cancel" disabled="[[clearingInProgress_]]">
           $i18n{cancel}
         </paper-button>
         <paper-button class="action-button" on-tap="onResetTap_"
             id="reset" disabled="[[clearingInProgress_]]">
           $i18n{resetPageCommit}
         </paper-button>
       </div>
-      <div class="footer">
+      <div class="footer border-top-divider">
         <paper-checkbox id="sendSettings"
             checked>$i18n{resetPageFeedback}</paper-checkbox>
         <a is="action-link"
             on-tap="onShowReportedSettingsTap_">$i18n{viewReportedSettings}</a>
       </div>
     </dialog>
   </template>
   <script src="reset_profile_dialog.js"></script>
 </dom-module>