[Web Payments] Add inline items to the Order Summary section.

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

Index: chrome/browser/ui/views/payments/payment_request_views_util.cc
diff --git a/chrome/browser/ui/views/payments/payment_request_views_util.cc b/chrome/browser/ui/views/payments/payment_request_views_util.cc
index 9df256a17163e3cf06043ecb6d8b7e56185d33e5..6e110bbe539c4077867de92cee6de80ed838e7b5 100644
--- a/chrome/browser/ui/views/payments/payment_request_views_util.cc
+++ b/chrome/browser/ui/views/payments/payment_request_views_util.cc
@@ -237,4 +237,13 @@ std::unique_ptr<views::Border> CreatePaymentRequestRowBorder() {
       gfx::Insets());
 }
 
+std::unique_ptr<views::Label> CreateBoldLabel(const base::string16& text) {
+  std::unique_ptr<views::Label> label = base::MakeUnique<views::Label>(text);
+
+  label->SetFontList(
+      label->font_list().DeriveWithWeight(gfx::Font::Weight::BOLD));
+
+  return label;
+}
+
 }  // namespace payments