Rename for some supervised users ambiguity. Adding child account icon to the avatar menu bubble.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index 04ced9a7a59d969d77012ab6538be766c05303ee..28be8020ac646126bf7d153e79a608b8aeca473a 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -14019,7 +14019,7 @@ After you create a new supervised user, you can manage their settings at any tim
         <message name="IDS_LOGIN_POD_MENU_REMOVE_ITEM_ACCESSIBLE_NAME" desc="Text to be spoken when 'Remove user' item is selected on the pod menu.">
           Remove this user
         </message>
-        <message name="IDS_LOGIN_POD_SUPERVISED_USER_REMOVE_WARNING" desc="Text shown as a warning when attempting to remove supervised user.">
+        <message name="IDS_LOGIN_POD_LEGACY_SUPERVISED_USER_REMOVE_WARNING" desc="Text shown as a warning when attempting to remove legacy supervised user.">
           All files and local data associated with the supervised user will be permanently deleted once this supervised user is removed. Visited websites and settings for this supervised user may still be visible by the manager at <ph name="MANAGEMENT_URL">$1<ex>www.example.com</ex></ph>.
         </message>
         <if expr="not chromeos">