Remove uses of FontList::Derive*(..) in views payments dialogs.

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

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_PAYMENTS_PAYMENT_REQUEST_VIEWS_UTIL_H_
 #define CHROME_BROWSER_UI_VIEWS_PAYMENTS_PAYMENT_REQUEST_VIEWS_UTIL_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 107 matching lines @@
 // Creates a views::Border object with |insets| that can paint the gray
 // horizontal ruler used as a separator between items in the Payment Request
 // dialog.
 std::unique_ptr<views::Border> CreatePaymentRequestRowBorder(
     SkColor color,
     const gfx::Insets& insets);
 
 // Creates a label with a bold font.
 std::unique_ptr<views::Label> CreateBoldLabel(const base::string16& text);
 
+// Creates a label with a medium-weight font, with appropriate fallbacks for
+// platforms that have no medium font, or where a user has configured their
+// default font with a heavier weight.
+std::unique_ptr<views::Label> CreateMediumLabel(const base::string16& text);
+
 // Creates a 2 line label containing |shipping_option|'s label and amount. If
 // |emphasize_label| is true, the label part will be in medium weight.
 std::unique_ptr<views::View> CreateShippingOptionLabel(
     payments::mojom::PaymentShippingOption* shipping_option,
     const base::string16& formatted_amount,
     bool emphasize_label);
 
 }  // namespace payments
 
 #endif  // CHROME_BROWSER_UI_VIEWS_PAYMENTS_PAYMENT_REQUEST_VIEWS_UTIL_H_