[Payments] Update some editor titles to reflect missing information

chrome/browser/ui/views/payments/order_summary_view_controller.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/order_summary_view_controller.h"
 
 #include <memory>
 #include <utility>
 #include <vector>
 
@@ skipping 101 matching lines @@
       views::MdTextButton::CreateSecondaryUiBlueButton(
           this, l10n_util::GetStringUTF16(IDS_PAYMENTS_PAY_BUTTON)));
   button->set_tag(static_cast<int>(PaymentRequestCommonTags::PAY_BUTTON_TAG));
   button->set_id(static_cast<int>(DialogViewID::PAY_BUTTON));
   pay_button_ = button.get();
   UpdatePayButtonState(state()->is_ready_to_pay());
   return button;
 }
 
 base::string16 OrderSummaryViewController::GetSheetTitle() {
-  return l10n_util::GetStringUTF16(IDS_PAYMENT_REQUEST_ORDER_SUMMARY_TITLE);
+  return l10n_util::GetStringUTF16(IDS_PAYMENTS_ORDER_SUMMARY_LABEL);
 }
 
 void OrderSummaryViewController::FillContentView(views::View* content_view) {
   views::BoxLayout* layout = new views::BoxLayout(
       views::BoxLayout::kVertical, 0, 0, 0);
   layout->set_main_axis_alignment(views::BoxLayout::MAIN_AXIS_ALIGNMENT_START);
   layout->set_cross_axis_alignment(
       views::BoxLayout::CROSS_AXIS_ALIGNMENT_STRETCH);
   content_view->SetLayoutManager(layout);
 
@@ skipping 25 matching lines @@
                          total_label_value, true,
                          DialogViewID::ORDER_SUMMARY_TOTAL_AMOUNT_LABEL)
           .release());
 }
 
 void OrderSummaryViewController::UpdatePayButtonState(bool enabled) {
   pay_button_->SetEnabled(enabled);
 }
 
 }  // namespace payments