iOS: Adding cell for the promo signin for settings.

ios/chrome/app/strings/ios_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!--
 This file contains definition of resources that will be translated for each
 locale.  The strings in this file are specific to iOS.
 -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       output_all_resource_defines="false" source_lang_id="en" enc_check="möl">
   <outputs>
@@ skipping 1489 matching lines @@
       </message>
       <message name="IDS_IOS_VOICE_SEARCH_SETTINGS_DEFAULT_LOCALE" desc="The label for the default locale option in the voice search settings [iOS only]">
         Default - <ph name="DEFAULT_LOCALE">$1<ex>English (United States)</ex></ph>
       </message>
       <message name="IDS_IOS_VOICE_SEARCH_SETTING_TITLE" desc="The title for Voice Search setting [Length: 29em] [iOS only]">
         Voice Search
       </message>
       <message name="IDS_IOS_VOICE_SEARCH_SETTING_TTS" desc="The label for setting switch enabling text-to-speech response after voice search [Length: 29em] [iOS only]">
         Speak Answers Back
       </message>
+      <message name="IDS_IOS_SIGNIN_PROMO_CONTINUE_AS" desc="Button that the user can press to login without asking the password and continue using Chrome with this acccount. [Length: 9em]">
+        Continue as <ph name="NAME">$1<ex>John Doe</ex></ph>
+      </message>
+      <message name="IDS_IOS_SIGNIN_PROMO_NOT" desc="Button that the user can press if they are not the profile that Chrome found (opposite of 'Continue as Joe Doe').">
+        Not <ph name="EMAIL">$1<ex>john.doe@example.com</ex>?</ph>
+      </message>
     </messages>
   </release>
 </grit>