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

ios/chrome/browser/passwords/ios_chrome_password_manager_client.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef IOS_CHROME_BROWSER_PASSWORDS_IOS_CHROME_PASSWORD_MANAGER_CLIENT_H_
 #define IOS_CHROME_BROWSER_PASSWORDS_IOS_CHROME_PASSWORD_MANAGER_CLIENT_H_
 
 #include "base/macros.h"
 #import "components/password_manager/core/browser/password_manager_client.h"
 #include "components/password_manager/core/browser/password_manager_metrics_recorder.h"
@@ skipping 31 matching lines @@
   explicit IOSChromePasswordManagerClient(
       id<PasswordManagerClientDelegate> delegate);
 
   ~IOSChromePasswordManagerClient() override;
 
   // password_manager::PasswordManagerClient implementation.
   password_manager::PasswordSyncState GetPasswordSyncState() const override;
   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,
       const CredentialsCallback& callback) override;
   void AutomaticPasswordSave(
       std::unique_ptr<password_manager::PasswordFormManager> saved_form_manager)
       override;
   bool IsIncognito() const override;
   PrefService* GetPrefs() override;
   password_manager::PasswordStore* GetPasswordStore() const override;
@@ skipping 35 matching lines @@
   // Recorder of metrics that is associated with the last committed navigation
   // of the tab owning this ChromePasswordManagerClient. May be unset at
   // times. Sends statistics on destruction.
   base::Optional<password_manager::PasswordManagerMetricsRecorder>
       metrics_recorder_;
 
   DISALLOW_COPY_AND_ASSIGN(IOSChromePasswordManagerClient);
 };
 
 #endif  // IOS_CHROME_BROWSER_PASSWORDS_IOS_CHROME_PASSWORD_MANAGER_CLIENT_H_