[Password Manager] Show omnibox icon and anchored prompt once user start typing password

chrome/browser/ui/passwords/manage_passwords_ui_controller.h

Index: chrome/browser/ui/passwords/manage_passwords_ui_controller.h
diff --git a/chrome/browser/ui/passwords/manage_passwords_ui_controller.h b/chrome/browser/ui/passwords/manage_passwords_ui_controller.h
index 3c756d96699984aec4fd18c44062569c3b306517..a4d73b6bb668c4842aa606bb22c5be981c6b9b77 100644
--- a/chrome/browser/ui/passwords/manage_passwords_ui_controller.h
+++ b/chrome/browser/ui/passwords/manage_passwords_ui_controller.h
@@ -50,6 +50,10 @@ class ManagePasswordsUIController
   void OnUpdatePasswordSubmitted(
       std::unique_ptr<password_manager::PasswordFormManager> form_manager)
       override;
+  void OnShowManualFallback(
+      std::unique_ptr<password_manager::PasswordFormManager> form_manager,
+      bool is_update) override;
+  void OnHideManualFallback() override;
   bool OnChooseCredentials(
       std::vector<std::unique_ptr<autofill::PasswordForm>> local_credentials,
       const GURL& origin,