Show Form-Not-Secure warning on page load

components/autofill/content/common/autofill_driver.mojom

Index: components/autofill/content/common/autofill_driver.mojom
diff --git a/components/autofill/content/common/autofill_driver.mojom b/components/autofill/content/common/autofill_driver.mojom
index 8fb379d9960c22d58de95551f99f17e2dd313a23..b0da5fd145c88bf470ad5ae8341dd8e5d6980bef 100644
--- a/components/autofill/content/common/autofill_driver.mojom
+++ b/components/autofill/content/common/autofill_driver.mojom
@@ -95,6 +95,11 @@ interface PasswordManagerDriver {
                           mojo.common.mojom.String16 typed_username,
                           int32 options, gfx.mojom.RectF bounds);
 
+  // Instructs the browser to show a popup with a warning that the form
+  // is not secure. The popup will use |text_direction| for displaying
+  // text. This popup is shown when a password form on a non-secure page is
+  // autofilled on page load.
+  ShowNotSecureWarning(TextDirection text_direction, gfx.mojom.RectF bounds);
 
   // Instructs the browser to presave the form with generated password.
   PresaveGeneratedPassword(PasswordForm password_form);