[Payments] Desktop: Error message in the dialog.

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

 // Copyright 2017 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_sheet_controller.h"
 
 #include "chrome/browser/ui/views/payments/payment_request_dialog_view.h"
+#include "chrome/browser/ui/views/payments/payment_request_dialog_view_ids.h"
 #include "chrome/browser/ui/views/payments/payment_request_views_util.h"
 #include "components/payments/content/payment_request.h"
 #include "components/strings/grit/components_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/views/background.h"
 #include "ui/views/controls/button/md_text_button.h"
 #include "ui/views/controls/scroll_view.h"
 #include "ui/views/layout/box_layout.h"
 #include "ui/views/layout/fill_layout.h"
 #include "ui/views/layout/grid_layout.h"
@@ skipping 21 matching lines @@
   content_view_->RemoveAllChildViews(true);
   FillContentView(content_view_);
   content_view_->Layout();
 }
 
 std::unique_ptr<views::Button>
 PaymentRequestSheetController::CreatePrimaryButton() {
   return nullptr;
 }
 
+base::string16 PaymentRequestSheetController::GetSecondaryButtonLabel() {
+  return l10n_util::GetStringUTF16(IDS_CANCEL);
+}
+
 bool PaymentRequestSheetController::ShouldShowHeaderBackArrow() {
   return true;
 }
 
 std::unique_ptr<views::View>
 PaymentRequestSheetController::CreateExtraFooterView() {
   return nullptr;
 }
 
 void PaymentRequestSheetController::ButtonPressed(
@@ skipping 88 matching lines @@
       base::MakeUnique<views::View>();
 
   trailing_buttons_container->SetLayoutManager(new views::BoxLayout(
       views::BoxLayout::kHorizontal, 0, 0, kPaymentRequestButtonSpacing));
 
   std::unique_ptr<views::Button> primary_button = CreatePrimaryButton();
   if (primary_button)
     trailing_buttons_container->AddChildView(primary_button.release());
 
   views::LabelButton* button = views::MdTextButton::CreateSecondaryUiButton(
-      this, l10n_util::GetStringUTF16(IDS_CANCEL));
+      this, GetSecondaryButtonLabel());
   button->set_tag(static_cast<int>(PaymentRequestCommonTags::CLOSE_BUTTON_TAG));
+  button->set_id(static_cast<int>(DialogViewID::CANCEL_BUTTON));
   trailing_buttons_container->AddChildView(button);
 
   layout->AddView(trailing_buttons_container.release());
 
   return container;
 }
 
 }  // namespace payments