[Web Payments] Add the contact info screen.

chrome/browser/ui/views/payments/payment_sheet_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/payment_sheet_view_controller.h"
 
 #include <algorithm>
 #include <memory>
 #include <utility>
 #include <vector>
@@ skipping 198 matching lines @@
       dialog()->ShowShippingListSheet();
       break;
 
     case static_cast<int>(
         PaymentSheetViewControllerTags::SHOW_PAYMENT_METHOD_BUTTON):
       dialog()->ShowPaymentMethodSheet();
       break;
 
     case static_cast<int>(
         PaymentSheetViewControllerTags::SHOW_CONTACT_INFO_BUTTON):
-      // TODO(tmartino): Transition to contact info page once it exists.
+      dialog()->ShowContactInfoSheet();
       break;
 
     default:
       PaymentRequestSheetController::ButtonPressed(sender, event);
       break;
   }
 }
 
 std::unique_ptr<views::View>
 PaymentSheetViewController::CreateOrderSummarySectionContent() {
@@ skipping 134 matching lines @@
       CreateContactInfoSectionContent(), std::unique_ptr<views::View>(nullptr),
       widest_name_column_view_width_);
   section->set_tag(static_cast<int>(
       PaymentSheetViewControllerTags::SHOW_CONTACT_INFO_BUTTON));
   section->set_id(
       static_cast<int>(DialogViewID::PAYMENT_SHEET_CONTACT_INFO_SECTION));
   return section;
 }
 
 }  // namespace payments