[WebPayments] Extracting common code from Shipping + Contact Info views.

chrome/browser/ui/views/payments/payment_request_item_list.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_item_list.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 "ui/gfx/paint_vector_icon.h"
 #include "ui/views/controls/image_view.h"
@@ skipping 29 matching lines @@
   selected_ = selected;
   SelectedStateChanged();
 }
 
 std::unique_ptr<views::ImageView> PaymentRequestItemList::Item::CreateCheckmark(
     bool selected) {
   std::unique_ptr<views::ImageView> checkmark =
       base::MakeUnique<views::ImageView>();
   checkmark->set_id(static_cast<int>(DialogViewID::CHECKMARK_VIEW));
   checkmark->set_can_process_events_within_subtree(false);
+  checkmark->set_owned_by_client();
   checkmark->SetImage(
       gfx::CreateVectorIcon(views::kMenuCheckIcon, kCheckmarkColor));
   checkmark->SetVisible(selected);
   return checkmark;
 }
 
 PaymentRequestItemList::PaymentRequestItemList() : selected_item_(nullptr) {}
 
 PaymentRequestItemList::~PaymentRequestItemList() {}
 
@@ skipping 34 matching lines @@
   // It's possible that no item is currently selected, either during list
   // creation or in the middle of the selection operation when the previously
   // selected item has been deselected but the new one isn't selected yet.
   if (selected_item_)
     selected_item_->SetSelected(false);
 
   selected_item_ = nullptr;
 }
 
 }  // namespace payments