Set timeout in sync setup

chrome/browser/resources/sync_setup_overlay.html

 <div id="sync-setup-overlay" class="page" hidden>
   <div class="close-button"></div>
   <div id="sync-setup-login" hidden>
     <div id="promo-title-container" hidden>
       <h1 i18n-content="promoTitle"></h1>
       <h2>
         <span i18n-content="promoTitleShort"></span>
         <a id="promo-learn-more" i18n-content="promoLearnMore"
             i18n-values="href:promoLearnMoreURL">
         </a>
@@ skipping 268 matching lines @@
             </div>
             <div class="radio">
               <label>
                 <input id="explicit-option" name="option" type="radio"
                     value="explicit">
                 <span i18n-content="explicitOption"></span>
               </label>
               <a i18n-values="href:encryptionHelpURL" target="_blank"
                   i18n-content="learnMore"></a>
             </div>
-            <div id="sync-custom-passphrase" 
+            <div id="sync-custom-passphrase"
                 class="reset-hidden" hidden>
               <div id="sync-passphrase-message">
                 <span i18n-content="sectionExplicitMessagePrefix"></span>
                 <a href="http://google.com/dashboard" target="_blank"
                     i18n-content="sectionExplicitMessagePostfix"></a>
                 <span>.</span>
               </div>
               <div class="sync-custom-passphrase-input">
                 <input id="custom-passphrase" type="password"
                     class="reset-value"
@@ skipping 54 matching lines @@
   </div>
   <div id="sync-setup-spinner" hidden>
     <h1 i18n-content="syncSetupConfigureTitle"></h1>
     <div class="content-area">
       <div id="spinner-throbber" class="throbber"></div>
     </div>
     <div class="action-area button-strip">
       <input id="sync-spinner-cancel" type="button" i18n-values="value:cancel">
     </div>
   </div>
+  <div id="sync-setup-timeout" hidden>
+    <h1 i18n-content="syncSetupTimeoutTitle"></h1>
+    <div i18n-content="syncSetupTimeoutContent" class="content-area"></div>
+    <div class="action-area button-strip">
+      <input id="timeout-ok" type="button" i18n-values="value:ok">
+    </div>
+  </div>
   <div id="sync-setup-stop-syncing" hidden>
     <h1 i18n-content="stopSyncingTitle"></h1>
     <div class="content-area">
       <span i18n-values=".innerHTML:stopSyncingExplanation"></span>
     </div>
     <div class="action-area button-strip">
       <input id="stop-syncing-cancel" type="button"
           i18n-values="value:cancel">
       <input id="stop-syncing-ok" type="button"
           i18n-values="value:stopSyncingConfirm">
     </div>
   </div>
 </div>