[sync] Display an error when sync settings aren't confirmed

chrome/app/generated_resources.grd

 <?xml version="1.0" encoding="utf-8"?>
 
 <!--
 This file contains definitions of resources that will be translated for each
 locale.  The variables is_win, is_macosx, is_linux, and is_posix are available
 for making strings OS specific.  Other platform defines such as use_titlecase
 are declared in build/common.gypi.
 -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
@@ skipping 9288 matching lines @@
       </message>
       <message name="IDS_SYNC_ERROR_USER_MENU_SIGNIN_AGAIN_BUTTON" desc="Button in the header of desktop user menu that signs out and signs back in in an attempt to resolve an unrecoverable error.">
         Sign in again
       </message>
       <message name="IDS_SYNC_ERROR_USER_MENU_SIGNOUT_MESSAGE" desc="Message of the unrecoverable error in the header of desktop user menu for managed users.">
         Try signing out and back in again
       </message>
       <message name="IDS_SYNC_ERROR_USER_MENU_SIGNOUT_BUTTON" desc="Button in the header of desktop user menu for managed users to sign out in an attempt to resolve an unrecoverable error.">
         Sign out
       </message>
+      <message name="IDS_SYNC_ERROR_USER_MENU_CONFIRM_SYNC_SETTINGS_BUTTON" desc="Button in the header of desktop user menu prompting users to confirm their sync settings.">
+        Open settings
+      </message>
       <if expr="use_ash">
         <message name="IDS_SYNC_NOTIFICATION_ACCEPT" desc="A button label shown in the sync error notification when the passphrase needs to be updated.">
           Update sync passphrase
         </message>
       </if>
 
       <if expr="not use_titlecase">
         <message name="IDS_SYNC_PASSPHRASE_ERROR_BUBBLE_VIEW_ACCEPT" desc="The accept button in the sync error bubble view when the user needs to update the passphrase.">
           Update...
         </message>
@@ skipping 57 matching lines @@
         </message>
         <message name="IDS_SYNC_SETUP_ABORTED_BY_PENDING_CLEAR" desc="The error message displayed to the user when setup was aborted because the server reported that a pending clear private data operation is in progress">
           The sync server is busy, please try again later.
         </message>
         <message name="IDS_SIGNED_IN_WITH_SYNC_DISABLED" desc="The message that appears in the settings page indicating that user is signed in, but sync is not enabled.">
           Sync is disabled by your administrator.
         </message>
         <message name="IDS_SIGNED_IN_WITH_SYNC_SUPPRESSED" desc="The message that appears in the settings page indicating that user is signed in, but sync has been stopped.">
           Sync has been stopped via the Google Dashboard.
         </message>
+        <message name="IDS_SYNC_SETTINGS_NOT_CONFIRMED" desc="The message that appears in the settings page indicating that user is signed in, but sync hasn't started because the sync settings haven't been confirmed.">
+          Confirm sync settings to start sync.
+        </message>
         <message name="IDS_SYNC_ACCOUNT_SYNCING_WITH_MANAGE_LINK" desc="The message that appears in the options dialog indicating that account is syncing along with a link to manage their data (where supported, or not possible through the application)">
           Manage your synced data on <ph name="BEGIN_LINK">&lt;a href="$1" target=&quot;_blank&quot;&gt;<ex>&lt;a href="$1" target=&quot;_blank&quot;&gt;</ex></ph>Google Dashboard<ph name="END_LINK">&lt;/a&gt;<ex>&lt;/a&gt;</ex></ph>.
         </message>
         <message name="IDS_SYNC_ACCOUNT_SYNCING_WITH_MANAGE_LINK_NEW" desc="The message that appears in the options dialog indicating that account is syncing along with a link to manage their data (where supported, or not possible through the application)">
           Manage your synced data and devices on <ph name="BEGIN_LINK">&lt;a href="$1" target=&quot;_blank&quot;&gt;<ex>&lt;a href="$1" target=&quot;_blank&quot;&gt;</ex></ph>Chrome Dashboard<ph name="END_LINK">&lt;/a&gt;<ex>&lt;/a&gt;</ex></ph>.
         </message>
         <message name="IDS_SYNC_AUTHENTICATING_LABEL" desc="Label to display while the user is being authenticated to use sync.">
           Authenticating...
         </message>
         <message name="IDS_SYNC_ERROR_SIGNING_IN" desc="An error was encountered while signing the user in.">
@@ skipping 2928 matching lines @@
       <message name="IDS_VIDEO_AUDIO_CALL_NOTIFICATION_TEXT_2" desc="Text to be shown as a notification when a WebRTC video and audio call is in progress" formatter_data="android_java">
         Accessing audio and video input
       </message>
       <message name="IDS_SCREEN_CAPTURE_NOTIFICATION_TEXT_2" desc="Text to be shown as a notification when screen capture is in progress.">
         Sharing screen
       </message>
     </if>
   </messages>
  </release>
 </grit>