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

chrome/browser/password_manager/chrome_password_manager_client.h

Index: chrome/browser/password_manager/chrome_password_manager_client.h
diff --git a/chrome/browser/password_manager/chrome_password_manager_client.h b/chrome/browser/password_manager/chrome_password_manager_client.h
index f9b6ee781b4fec2c0d82b45cabcb651a40d0cfae..fc9d07539f47bdde30465f5e9fc6a2f5c6cb6ea4 100644
--- a/chrome/browser/password_manager/chrome_password_manager_client.h
+++ b/chrome/browser/password_manager/chrome_password_manager_client.h
@@ -56,7 +56,11 @@ class ChromePasswordManagerClient
   bool OnCredentialManagerUsed() override;
   bool PromptUserToSaveOrUpdatePassword(
       std::unique_ptr<password_manager::PasswordFormManager> form_to_save,
-      bool update_password) override;
+      bool is_update) override;
+  void ShowManualFallbackForSaving(
+      std::unique_ptr<password_manager::PasswordFormManager> form_to_save,
+      bool is_update) override;
+  void HideManualFallbackForSaving() override;
   bool PromptUserToChooseCredentials(
       std::vector<std::unique_ptr<autofill::PasswordForm>> local_forms,
       const GURL& origin,