[Web Payments] Add the shipping options sheet.

chrome/browser/ui/views/payments/payment_request_views_util.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_views_util.h"
 
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
@@ skipping 259 matching lines @@
     case payments::mojom::PaymentShippingType::PICKUP:
       return l10n_util::GetStringUTF16(IDS_PAYMENTS_PICKUP_OPTION_LABEL);
     case payments::mojom::PaymentShippingType::SHIPPING:
       return l10n_util::GetStringUTF16(IDS_PAYMENTS_SHIPPING_OPTION_LABEL);
   }
   // MSVC doesn't compile with only the above switch statement because it can't
   // see that all control paths return a value.
   return l10n_util::GetStringUTF16(IDS_PAYMENTS_SHIPPING_OPTION_LABEL);
 }
 
+std::unique_ptr<views::View> CreateShippingOptionLabel(
+    payments::mojom::PaymentShippingOption* shipping_option,
+    const base::string16& formatted_amount) {
+  std::unique_ptr<views::View> container = base::MakeUnique<views::View>();
+
+  std::unique_ptr<views::BoxLayout> layout =
+      base::MakeUnique<views::BoxLayout>(views::BoxLayout::kVertical, 0, 0, 0);
+  layout->set_cross_axis_alignment(
+      views::BoxLayout::CROSS_AXIS_ALIGNMENT_START);
+  container->SetLayoutManager(layout.release());
+
+  if (shipping_option) {
+    container->AddChildView(
+        new views::Label(base::ASCIIToUTF16(shipping_option->label)));
+    container->AddChildView(new views::Label(formatted_amount));
+  }
+
+  return container;
+}
+
 }  // namespace payments