Show Form-Not-Secure warning on page load

components/autofill/content/renderer/autofill_agent.cc

Index: components/autofill/content/renderer/autofill_agent.cc
diff --git a/components/autofill/content/renderer/autofill_agent.cc b/components/autofill/content/renderer/autofill_agent.cc
index 65e411aadae9c959f50a558e83ac1eb9c75c4ea3..28340cbe5e7effe71c25660736ba977dd2ee70ff 100644
--- a/components/autofill/content/renderer/autofill_agent.cc
+++ b/components/autofill/content/renderer/autofill_agent.cc
@@ -573,6 +573,15 @@ void AutofillAgent::ShowInitialPasswordAccountSuggestions(
     ShowSuggestions(element, options);
 }
 
+void AutofillAgent::ShowNotSecureWarning(
+    const blink::WebInputElement& element) {
+  if (is_generation_popup_possibly_visible_)
+    return;
+  HidePopup();
+  password_autofill_agent_->ShowNotSecureWarning(element);
+  is_popup_possibly_visible_ = true;
+}
+
 void AutofillAgent::OnSamePageNavigationCompleted() {
   if (last_interacted_form_.isNull()) {
     // If no last interacted form is available (i.e., there is no form tag),