[Autofill] Implement Autofill Assistant infobar for iOS

ios/chrome/browser/ui/autofill/autofill_client_ios.mm

 // Copyright 2013 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.
 
 #import "ios/chrome/browser/ui/autofill/autofill_client_ios.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
+#include "components/autofill/core/browser/autofill_credit_card_filling_infobar_delegate_mobile.h"
 #include "components/autofill/core/browser/autofill_save_card_infobar_delegate_mobile.h"
 #include "components/autofill/core/browser/autofill_save_card_infobar_mobile.h"
 #include "components/autofill/core/browser/ui/card_unmask_prompt_view.h"
 #include "components/autofill/core/browser/webdata/autofill_webdata_service.h"
 #include "components/autofill/core/common/autofill_pref_names.h"
 #include "components/infobars/core/infobar.h"
 #include "components/infobars/core/infobar_manager.h"
 #include "components/keyed_service/core/service_access_type.h"
 #include "components/password_manager/core/browser/password_generation_manager.h"
 #include "components/prefs/pref_service.h"
 #include "google_apis/gaia/identity_provider.h"
 #include "ios/chrome/browser/application_context.h"
 #include "ios/chrome/browser/autofill/personal_data_manager_factory.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
+#include "ios/chrome/browser/infobars/infobar_utils.h"
 #include "ios/chrome/browser/web_data_service_factory.h"
 #include "ios/public/provider/chrome/browser/chrome_browser_provider.h"
 
 namespace autofill {
 
 AutofillClientIOS::AutofillClientIOS(
     ios::ChromeBrowserState* browser_state,
     infobars::InfoBarManager* infobar_manager,
     id<AutofillClientIOSBridge> bridge,
     password_manager::PasswordGenerationManager* password_generation_manager,
@@ skipping 70 matching lines @@
     std::unique_ptr<base::DictionaryValue> legal_message,
     const base::Closure& callback) {
   infobar_manager_->AddInfoBar(CreateSaveCardInfoBarMobile(
       base::WrapUnique(new AutofillSaveCardInfoBarDelegateMobile(
           true, card, std::move(legal_message), callback))));
 }
 
 void AutofillClientIOS::ConfirmCreditCardFillAssist(
     const CreditCard& card,
     const base::Closure& callback) {
-  NOTREACHED();
+  auto infobar_delegate =
+      base::MakeUnique<AutofillCreditCardFillingInfoBarDelegateMobile>(
+          card, callback);
+  auto* raw_delegate = infobar_delegate.get();
+  if (infobar_manager_->AddInfoBar(
+          ::CreateConfirmInfoBar(std::move(infobar_delegate)))) {
+    raw_delegate->set_was_shown();
+  }
 }
 
 void AutofillClientIOS::LoadRiskData(
     const base::Callback<void(const std::string&)>& callback) {
   callback.Run(ios::GetChromeBrowserProvider()->GetRiskData());
 }
 
 bool AutofillClientIOS::HasCreditCardScanFeature() {
   return false;
 }
@@ skipping 57 matching lines @@
 
 bool AutofillClientIOS::ShouldShowSigninPromo() {
   return false;
 }
 
 void AutofillClientIOS::StartSigninFlow() {
   NOTIMPLEMENTED();
 }
 
 }  // namespace autofill