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

components/password_manager/core/browser/stub_password_manager_client.cc

 // Copyright 2014 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.
 
 #include "components/password_manager/core/browser/stub_password_manager_client.h"
 
 #include <memory>
 
 #include "components/password_manager/core/browser/credentials_filter.h"
 #include "components/password_manager/core/browser/password_form_manager.h"
 
 namespace password_manager {
 
 StubPasswordManagerClient::StubPasswordManagerClient()
     : ukm_source_id_(ukm::UkmRecorder::Get()
                          ? ukm::UkmRecorder::Get()->GetNewSourceID()
                          : 0),
       metrics_recorder_(PasswordManagerMetricsRecorder::CreateUkmEntryBuilder(
           ukm::UkmRecorder::Get(),
           ukm_source_id_)) {}
 
 StubPasswordManagerClient::~StubPasswordManagerClient() {}
 
 bool StubPasswordManagerClient::PromptUserToSaveOrUpdatePassword(
     std::unique_ptr<PasswordFormManager> form_to_save,
     bool update_password) {
   return false;
 }
 
+void StubPasswordManagerClient::ShowManualFallback(
+    std::unique_ptr<PasswordFormManager> form_to_save,
+    bool update_password) {}
+
+void StubPasswordManagerClient::HideManualFallback() {}
+
 bool StubPasswordManagerClient::PromptUserToChooseCredentials(
     std::vector<std::unique_ptr<autofill::PasswordForm>> local_forms,
     const GURL& origin,
     const CredentialsCallback& callback) {
   return false;
 }
 
 void StubPasswordManagerClient::NotifyUserAutoSignin(
     std::vector<std::unique_ptr<autofill::PasswordForm>> local_forms,
     const GURL& origin) {}
@@ skipping 52 matching lines @@
 ukm::SourceId StubPasswordManagerClient::GetUkmSourceId() {
   return ukm_source_id_;
 }
 
 PasswordManagerMetricsRecorder&
 StubPasswordManagerClient::GetMetricsRecorder() {
   return metrics_recorder_;
 }
 
 }  // namespace password_manager