Enable child account detection by default

chrome/browser/supervised_user/child_accounts/child_account_service.cc

Index: chrome/browser/supervised_user/child_accounts/child_account_service.cc
diff --git a/chrome/browser/supervised_user/child_accounts/child_account_service.cc b/chrome/browser/supervised_user/child_accounts/child_account_service.cc
index 76e3e65e0e5d58bf31bf90881a5297c610b2b0d4..c192d83d68710a5c872b50e5e05bc0cacdf3d2a3 100644
--- a/chrome/browser/supervised_user/child_accounts/child_account_service.cc
+++ b/chrome/browser/supervised_user/child_accounts/child_account_service.cc
@@ -92,7 +92,9 @@ bool ChildAccountService::IsChildAccountDetectionEnabled() {
   if (command_line->HasSwitch(switches::kEnableChildAccountDetection))
     return true;
 
-  return group_name == "Enabled";
+  if (group_name == "Disabled")
+    return false;
+  return true;
 }
 
 void ChildAccountService::RegisterProfilePrefs(