[Web Payments] Correctly use UTF8ToUTF16 on strings from website.

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 d26b78ecc83e54c5adb1b1bd681a0081b2f3ea61..375ec5fe136e76eef67691390b2bd4e16e37d99c 100644
--- a/chrome/browser/ui/views/payments/payment_request_views_util.cc
+++ b/chrome/browser/ui/views/payments/payment_request_views_util.cc
@@ -288,7 +288,7 @@ std::unique_ptr<views::View> CreateShippingOptionLabel(
   if (shipping_option) {
     std::unique_ptr<views::Label> shipping_label =
         base::MakeUnique<views::Label>(
-            base::ASCIIToUTF16(shipping_option->label));
+            base::UTF8ToUTF16(shipping_option->label));
     shipping_label->set_id(
         static_cast<int>(DialogViewID::SHIPPING_OPTION_DESCRIPTION));
     container->AddChildView(shipping_label.release());