Show Login Not Secure on username field even without Autocomplete attribute

components/autofill/content/renderer/password_autofill_agent.h

Index: components/autofill/content/renderer/password_autofill_agent.h
diff --git a/components/autofill/content/renderer/password_autofill_agent.h b/components/autofill/content/renderer/password_autofill_agent.h
index 0ec8f9fe08a65cb4402d434e131291197f5f7714..b62b4ef5481e335751dbff464a7d9845e52c824a 100644
--- a/components/autofill/content/renderer/password_autofill_agent.h
+++ b/components/autofill/content/renderer/password_autofill_agent.h
@@ -83,6 +83,10 @@ class PasswordAutofillAgent : public content::RenderFrameObserver,
   bool DidClearAutofillSelection(
       const blink::WebFormControlElement& control_element);
 
+  // If the form is non-secure, show the "Not Secure" warning on username and
+  // password input fields.
+  bool ShouldShowNotSecureWarning(const blink::WebInputElement& element);
+
   // Shows an Autofill popup with username suggestions for |element|. If
   // |show_all| is |true|, will show all possible suggestions for that element,
   // otherwise shows suggestions based on current value of |element|.