Show "Chrome" on the tabstrip for chrome signin page

chrome/app/chromium_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <!-- This file contains definitions of strings that are distribution specific.
 These strings will not be translated and only english versions will
 be available for now. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/chromium_strings.h" type="rc_header">
       <emit emit_type='prepend'></emit>
@@ skipping 829 matching lines @@
           Chromium
         </message>
         <message name="IDS_HELPER_NAME" desc="The helper application's name.  Should contain the Chrome application name (IDS_PRODUCT_NAME). Example: Google Chrome Helper.">
           Chromium Helper
         </message>
         <message name="IDS_SHORT_HELPER_NAME" desc="The helper application's short name, used for the Mac's application menu, activity monitor, etc. Example: Chrome Helper, not Google Chrome Helper.">
           Chromium Helper
         </message>
       </if>
 
+      <!-- Chrome sign in page -->
+      <message name="IDS_CHROME_SIGNIN_TITLE" desc="Title on the about:chrome-signin page">
+        Chromium
+      </message>
+
       <!-- Sync Promo New Tab Page bubble strings -->
       <message name="IDS_SYNC_PROMO_NTP_BUBBLE_MESSAGE_NEW" desc="The body of the sync promo NTP bubble.">
         Now that you're signed in, you can get your tabs, bookmarks and other Chromium stuff across your laptop, phone and tablet. You will also receive more relevant suggestions and features on Google services.
       </message>
 
       <!-- One click sign in infobar -->
       <if expr="not pp_ifdef('chromeos')">
         <!-- New one-click signin dialog contents for SAML support -->
         <message name="IDS_ONE_CLICK_SIGNIN_DIALOG_TITLE_NEW" desc="The title of the modal dialog window that opens when the user chooses to use one click sign in.">
           You're signed in to Chromium!
@@ skipping 190 matching lines @@
       </message>
 
       <!-- ProcessSingleton -->
       <message name="IDS_PROFILE_IN_USE_LINUX" desc="Message shown when the browser cannot start because the profile is in use on a different host.">
         The profile appears to be in use by another Chromium process (<ph name="PROCESS_ID">$1<ex>12345</ex></ph>) on another computer (<ph name="HOST_NAME">$2<ex>example.com</ex></ph>). Chromium has locked the profile so that it doesn't get corrupted. If you are sure no other processes are using this profile, you can unlock the profile and relaunch Chromium.
       </message>
 
     </messages>
   </release>
 </grit>