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

ios/chrome/browser/passwords/ios_chrome_password_manager_client.h

Index: ios/chrome/browser/passwords/ios_chrome_password_manager_client.h
diff --git a/ios/chrome/browser/passwords/ios_chrome_password_manager_client.h b/ios/chrome/browser/passwords/ios_chrome_password_manager_client.h
index aba2f968ddf3ade43350f5bb29d4aa5145af5f07..14205ea9f45187620047294271ad71ef91995775 100644
--- a/ios/chrome/browser/passwords/ios_chrome_password_manager_client.h
+++ b/ios/chrome/browser/passwords/ios_chrome_password_manager_client.h
@@ -49,6 +49,11 @@ class IOSChromePasswordManagerClient
   bool PromptUserToSaveOrUpdatePassword(
       std::unique_ptr<password_manager::PasswordFormManager> form_to_save,
       bool update_password) override;
+  void ShowManualFallbackForSaving(
+      std::unique_ptr<password_manager::PasswordFormManager> form_to_save,
+      bool has_generated_password,
+      bool is_update) override;
+  void HideManualFallbackForSaving() override;
   bool PromptUserToChooseCredentials(
       std::vector<std::unique_ptr<autofill::PasswordForm>> local_forms,
       const GURL& origin,