Implements the feature notification for Quick Unlock

ui/strings/ui_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!-- This file contains definitions of resources that will be translated for
 each locale. Specifically, these are UI strings that are used by app/ that
 need to be translated for each locale.-->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <!-- TODO add each of your output files.  Modify the three below, and add
@@ skipping 573 matching lines @@
       <if expr="chromeos">
         <message name="IDS_MESSAGE_CENTER_NOTIFIER_SCREENSHOT_NAME" desc="The name of screenshot notifier that is a system component">
           Screenshot
         </message>
         <message name="IDS_MESSAGE_CENTER_NOTIFICATION_BUTTON_COPY_SCREENSHOT_TO_CLIPBOARD" desc="The button label for the screenshot notification which copies the screenshot image to clipboard on click.">
           Copy to clipboard
         </message>
         <message name="IDS_MESSAGE_CENTER_NOTIFIER_HATS_NAME" desc="The name of hats notifier that is a system component">
           Hats
         </message>
+        <message name="IDS_MESSAGE_CENTER_NOTIFIER_QUICK_UNLOCK_FEATURE_NAME" desc="The name of quick unlock feature notifier that is a system component">
+          Quick Unlock Feature
+        </message>
       </if>
 
       <!-- App list -->
       <message name="IDS_APP_LIST_HELP" desc="The menu entry to show the app list help UI.">
         Help
       </message>
       <message name="IDS_APP_LIST_OPEN_SETTINGS" desc="The menu entry to show the settings UI.">
         Settings
       </message>
       <message name="IDS_APP_LIST_OPEN_FEEDBACK" desc="The menu entry to show the feedback UI.">
@@ skipping 19 matching lines @@
       </message>
       <message name="IDS_APP_LIST_SPEECH_HINT_TEXT" desc="The text label in the speech recognition UI to ask the user to speak the search query">
         Speak now
       </message>
       <message name="IDS_APP_LIST_SPEECH_NETWORK_ERROR_HINT_TEXT" desc="The text label in the speech recognition UI to show the speech recognition can't start because of network error.">
         No internet connection
       </message>
     </messages>
   </release>
 </grit>