MD Settings: Restore focus after closing dialogs, for passwords page.

chrome/browser/resources/settings/passwords_and_forms_page/autofill_section.html

 <link rel="import" href="chrome://resources/cr_elements/cr_action_menu/cr_action_menu.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/i18n_behavior.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button.html">
 <link rel="import" href="../i18n_setup.html">
 <link rel="import" href="../settings_shared_css.html">
 <link rel="import" href="../controls/extension_controlled_indicator.html">
 <link rel="import" href="../controls/settings_toggle_button.html">
@@ skipping 57 matching lines @@
             id="autofillExtensionIndicator"
             extension-id="[[prefs.autofill.enabled.extensionId]]"
             extension-name="[[prefs.autofill.enabled.controlledByName]]"
             extension-can-be-disabled="[[
                 prefs.autofill.enabled.extensionCanBeDisabled]]">
         </extension-controlled-indicator>
       </div>
     </template>
     <div class="settings-box continuation">
       <h2 class="start">$i18n{addresses}</h2>
-      <paper-button class="secondary-button header-aligned-button"
+      <paper-button id="addAddress"
+          class="secondary-button header-aligned-button"
           on-tap="onAddAddressTap_">
         $i18n{add}
       </paper-button>
     </div>
     <div class="list-frame">
       <div id="addressList" class="vertical-list">
         <template is="dom-repeat" items="[[addresses]]">
           <div class="list-item two-line">
             <div class="start">
               <span id="addressSummary">
@@ skipping 31 matching lines @@
       <button id="menuRemoveAddress" class="dropdown-item"
           on-tap="onMenuRemoveAddressTap_">$i18n{removeAddress}</button>
     </dialog>
     <template is="dom-if" if="[[showAddressDialog_]]" restamp>
       <settings-address-edit-dialog address="[[activeAddress]]"
           on-close="onAddressDialogClosed_">
       </settings-address-edit-dialog>
     </template>
     <div class="settings-box first">
       <h2 class="start">$i18n{creditCards}</h2>
-      <paper-button class="secondary-button header-aligned-button"
+      <paper-button id="addCreditCard"
+          class="secondary-button header-aligned-button"
           on-tap="onAddCreditCardTap_">
         $i18n{add}
       </paper-button>
     </div>
     <div class="list-frame">
       <div id="creditCardsHeading" class="list-item column-header"
           hidden$="[[!hasSome_(creditCards)]]">
         <div class="type-column">$i18n{creditCardType}</div>
         <div class="expiration-column">$i18n{creditCardExpiration}</div>
       </div>
@@ skipping 44 matching lines @@
       </button>
     </dialog>
     <template is="dom-if" if="[[showCreditCardDialog_]]" restamp>
       <settings-credit-card-edit-dialog credit-card="[[activeCreditCard]]"
           on-close="onCreditCardDialogClosed_">
       </settings-credit-card-edit-dialog>
     </template>
   </template>
   <script src="autofill_section.js"></script>
 </dom-module>