Set timeout in sync setup

chrome/browser/resources/sync_setup_overlay.html

Index: chrome/browser/resources/sync_setup_overlay.html
diff --git a/chrome/browser/resources/sync_setup_overlay.html b/chrome/browser/resources/sync_setup_overlay.html
index fa036b44e56e47b46e83657ce251778c879e2a73..6a69fc3fe170685ef65f67f43097a8af9744a8f5 100644
--- a/chrome/browser/resources/sync_setup_overlay.html
+++ b/chrome/browser/resources/sync_setup_overlay.html
@@ -286,7 +286,7 @@
               <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>
@@ -361,6 +361,13 @@
       <input id="sync-spinner-cancel" type="button" i18n-values="value:cancel">
     </div>
   </div>
+  <div id="sync-setup-timeout" hidden>
+    <h1 i18n-content="syncSetupTimeoutTitle"></h1>
+    <span i18n-content="syncSetupTimeoutContent" class="content-area"></span>
+    <div class="action-area button-strip">
+      <button id="timeout-ok" i18n-content="ok"></button>
+    </div>
+  </div>
   <div id="sync-setup-stop-syncing" hidden>
     <h1 i18n-content="stopSyncingTitle"></h1>
     <div class="content-area">