Observe visibility of password inputs, for HTTP-bad phase 1

components/password_manager/content/browser/content_password_manager_driver.cc

Index: components/password_manager/content/browser/content_password_manager_driver.cc
diff --git a/components/password_manager/content/browser/content_password_manager_driver.cc b/components/password_manager/content/browser/content_password_manager_driver.cc
index 722416e5ef18a4ce108d6b97ec45a126b8a94a61..7c72fa79fce5a09db5b0a031f9346497abb9a58e 100644
--- a/components/password_manager/content/browser/content_password_manager_driver.cc
+++ b/components/password_manager/content/browser/content_password_manager_driver.cc
@@ -239,6 +239,12 @@ void ContentPasswordManagerDriver::SaveGenerationFieldDetectedByClassifier(
       password_form, generation_field);
 }
 
+void ContentPasswordManagerDriver::PasswordFieldVisible() {
+  // TODO(estark): notify the WebContents that a password field was
+  // shown, which will downgrade the security UI
+  // appropriately. https://crbug.com/647560
+}
+
 void ContentPasswordManagerDriver::ShowPasswordSuggestions(
     int key,
     base::i18n::TextDirection text_direction,