[Extensions Views] Update the extension installed bubble's sync promo

chrome/app/google_chrome_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <!-- This file contains definitions of strings that are specific to
 Google Chrome. These strings will be translated for each locale that Google
 Chrome supports. If you update this file, be sure also to update
 chromium_strings.grd. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/google_chrome_strings.h" type="rc_header">
@@ skipping 631 matching lines @@
       <!-- Extension/App install prompt -->
       <message name="IDS_EXTENSION_INLINE_INSTALL_PROMPT_TITLE" desc="Titlebar of the extension or app inline installation prompt window">
         Add to Chrome
       </message>
 
       <!-- Extension installed bubble -->
       <if expr="enable_extensions">
         <message name="IDS_EXTENSION_INSTALLED_HEADING" desc="First line in the content area of the extension installed bubble. Instructs that the extension was installed.">
           <ph name="EXTENSION_NAME">$1<ex>Gmail Checker</ex></ph> has been added to Chrome.
         </message>
+        <message name="IDS_EXTENSION_INSTALLED_SYNC_PROMO_LINK_NEW" desc="Text of the link to sign in to Chrome from the extension installed bubble. This will be converted to a link, with additional text around it.">
+          sign in to Chrome
+        </message>
         <message name="IDS_EXTENSION_INSTALLED_SIGNIN_PROMO_LINK" desc="The first part of the sign-in promo paragraph. This part will be converted to a link and will get more text appended to it (see IDS_EXTENSION_INSTALLED_SIGNIN_PROMO). Keep this text short.">
           Sign in to Chrome
         </message>
 
         <!-- Extension context menu -->
         <if expr="not use_titlecase">
           <message name="IDS_EXTENSIONS_HIDE_BUTTON_IN_MENU" desc="The extension context menu item to hide the button in the application menu (sentence case).">
             Hide in Chrome menu
           </message>
         </if>
@@ skipping 615 matching lines @@
         </message>
         <message name="IDS_WIN_PROMPT_TO_CLOSE_APPS_FOR_DESKTOP"
                  desc="Modal message box prompt shown to the user after requesting to relaunch in Desktop mode while packaged apps are running, which will require all packaged apps to be closed and then restarted. Dialog is shown with choices: OK, Cancel.">
           Relaunching in Desktop mode will close and relaunch your Chrome apps.
         </message>
       </if>
 
     </messages>
   </release>
 </grit>