iOS: Adding cell for the promo signin for settings.

ios/chrome/app/strings/ios_strings.grd

Index: ios/chrome/app/strings/ios_strings.grd
diff --git a/ios/chrome/app/strings/ios_strings.grd b/ios/chrome/app/strings/ios_strings.grd
index ad5edf6eb3788e22ff938ad43b6cf2b6b1a42156..5f1c317603c432fd47bf29edc9a079cd763e2eaa 100644
--- a/ios/chrome/app/strings/ios_strings.grd
+++ b/ios/chrome/app/strings/ios_strings.grd
@@ -1507,6 +1507,12 @@ Your data was encrypted with your sync passphrase on <ph name="TIME">$2<ex>Sept
       <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>