Focus first invalid field of payment request editor

chrome/browser/ui/views/payments/payment_request_dialog_view.cc

 // Copyright 2016 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 "chrome/browser/ui/views/payments/payment_request_dialog_view.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
@@ skipping 66 matching lines @@
 
   SetupSpinnerOverlay();
 
   ShowInitialPaymentSheet();
 
   chrome::RecordDialogCreation(chrome::DialogIdentifier::PAYMENT_REQUEST);
 }
 
 PaymentRequestDialogView::~PaymentRequestDialogView() {}
 
+void PaymentRequestDialogView::RequestFocus() {
+  view_stack_->RequestFocus();
+}
+
 ui::ModalType PaymentRequestDialogView::GetModalType() const {
   return ui::MODAL_TYPE_CHILD;
 }
 
 views::View* PaymentRequestDialogView::GetInitiallyFocusedView() {
   return view_stack_.get();
 }
 
 bool PaymentRequestDialogView::Cancel() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
@@ skipping 274 matching lines @@
   // When a view that is associated with a controller is removed from this
   // view's descendants, dispose of the controller.
   if (!details.is_add &&
       controller_map_.find(details.child) != controller_map_.end()) {
     DCHECK(!details.move_view);
     controller_map_.erase(details.child);
   }
 }
 
 }  // namespace payments