HTTP Bad: Add warning message to autofill dropdown for http sites

components/autofill/core/browser/autofill_external_delegate.cc

Index: components/autofill/core/browser/autofill_external_delegate.cc
diff --git a/components/autofill/core/browser/autofill_external_delegate.cc b/components/autofill/core/browser/autofill_external_delegate.cc
index 6b04aa5b5733fa0e876d9bb7fe52e030075ccd62..1f9a370a61316d27d723784583f419c17abe8c90 100644
--- a/components/autofill/core/browser/autofill_external_delegate.cc
+++ b/components/autofill/core/browser/autofill_external_delegate.cc
@@ -301,10 +301,11 @@ void AutofillExternalDelegate::FillAutofillFormData(int unique_id,
 
 void AutofillExternalDelegate::ApplyAutofillWarnings(
     std::vector<Suggestion>* suggestions) {
-  if (suggestions->size() > 1 &&
-      (*suggestions)[0].frontend_id == POPUP_ITEM_ID_WARNING_MESSAGE) {
-    // If we received a warning instead of suggestions from Autofill but regular
-    // suggestions from autocomplete, don't show the Autofill warning.
+  while (suggestions->size() > 1 &&
+         suggestions->front().frontend_id == POPUP_ITEM_ID_WARNING_MESSAGE &&
+         suggestions->back().frontend_id != POPUP_ITEM_ID_WARNING_MESSAGE) {
+    // If we received warnings instead of suggestions from Autofill but regular
+    // suggestions from autocomplete, don't show the Autofill warnings.
     suggestions->erase(suggestions->begin());
   }
 }