[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) {}
 
 StubPasswordManagerClient::~StubPasswordManagerClient() {}
 
 bool StubPasswordManagerClient::PromptUserToSaveOrUpdatePassword(
     std::unique_ptr<PasswordFormManager> form_to_save,
     bool update_password) {
   return false;
 }
 
+void StubPasswordManagerClient::ShowManualFallbackForSaving(
+    std::unique_ptr<PasswordFormManager> form_to_save,
+    bool update_password) {}
+
+void StubPasswordManagerClient::HideManualFallbackForSaving() {}
+
 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 56 matching lines @@
 PasswordManagerMetricsRecorder&
 StubPasswordManagerClient::GetMetricsRecorder() {
   if (!metrics_recorder_) {
     metrics_recorder_.emplace(GetUkmRecorder(), GetUkmSourceId(),
                               GetMainFrameURL());
   }
   return metrics_recorder_.value();
 }
 
 }  // namespace password_manager