Remove check for valid account info in ChildAccountService.

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 6149a254378909799b59c9d5107a94287ce4c3e7..0ec2b71fc03ed187ab018bc2547c96a3d4730139 100644
--- a/chrome/browser/supervised_user/child_accounts/child_account_service.cc
+++ b/chrome/browser/supervised_user/child_accounts/child_account_service.cc
@@ -203,16 +203,16 @@ void ChildAccountService::SetIsChildAccount(bool is_child_account) {
 }
 
 void ChildAccountService::OnAccountUpdated(const AccountInfo& info) {
-  std::string auth_account_id = SigninManagerFactory::GetForProfile(profile_)
-      ->GetAuthenticatedAccountId();
-  if (!info.IsValid() || info.account_id != auth_account_id)
-    return;
-
   if (!IsChildAccountDetectionEnabled()) {
     SetIsChildAccount(false);
     return;
   }
 
+  std::string auth_account_id = SigninManagerFactory::GetForProfile(profile_)
+      ->GetAuthenticatedAccountId();
+  if (info.account_id != auth_account_id)
+    return;
+
   SetIsChildAccount(info.is_child_account);
 }