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

chrome/browser/ui/webui/signin/user_manager_screen_handler.cc

Index: chrome/browser/ui/webui/signin/user_manager_screen_handler.cc
diff --git a/chrome/browser/ui/webui/signin/user_manager_screen_handler.cc b/chrome/browser/ui/webui/signin/user_manager_screen_handler.cc
index 46ad33970928aae6b731a654797fd6220e16b7aa..3473072e40680ab40559ee4218daab5a6d9a55b5 100644
--- a/chrome/browser/ui/webui/signin/user_manager_screen_handler.cc
+++ b/chrome/browser/ui/webui/signin/user_manager_screen_handler.cc
@@ -58,7 +58,7 @@ const char kKeyDisplayName[]= "displayName";
 const char kKeyEmailAddress[] = "emailAddress";
 const char kKeyProfilePath[] = "profilePath";
 const char kKeyPublicAccount[] = "publicAccount";
-const char kKeySupervisedUser[] = "supervisedUser";
+const char kKeyLegacySupervisedUser[] = "legacySupervisedUser";
 const char kKeyChildUser[] = "childUser";
 const char kKeyCanRemove[] = "canRemove";
 const char kKeyIsOwner[] = "isOwner";
@@ -727,8 +727,8 @@ void UserManagerScreenHandler::SendUserList() {
     profile_value->Set(
         kKeyProfilePath, base::CreateFilePathValue(profile_path));
     profile_value->SetBoolean(kKeyPublicAccount, false);
-    profile_value->SetBoolean(
-        kKeySupervisedUser, info_cache.ProfileIsLegacySupervisedAtIndex(i));
+    profile_value->SetBoolean(kKeyLegacySupervisedUser,
+                              info_cache.ProfileIsLegacySupervisedAtIndex(i));
     profile_value->SetBoolean(
         kKeyChildUser, info_cache.ProfileIsChildAtIndex(i));
     profile_value->SetBoolean(