PaymentRequest: Introduce PaymentDetailsInit and PaymentDetailsUpdate.

third_party/WebKit/Source/modules/payments/PaymentDetailsBase.idl

Index: third_party/WebKit/Source/modules/payments/PaymentDetailsBase.idl
diff --git a/third_party/WebKit/Source/modules/payments/PaymentDetails.idl b/third_party/WebKit/Source/modules/payments/PaymentDetailsBase.idl
similarity index 50%
rename from third_party/WebKit/Source/modules/payments/PaymentDetails.idl
rename to third_party/WebKit/Source/modules/payments/PaymentDetailsBase.idl
index 0bcabdd9311c9cc48b28e57c45da6de601bca130..4b855649c3256cbaa73516cff071d9047af2645e 100644
--- a/third_party/WebKit/Source/modules/payments/PaymentDetails.idl
+++ b/third_party/WebKit/Source/modules/payments/PaymentDetailsBase.idl
@@ -1,13 +1,11 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
+// Copyright 2017 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.
 
-// https://w3c.github.io/browser-payment-api/#paymentdetails-dictionary
+// https://w3c.github.io/browser-payment-api/#paymentdetailsbase-dictionary
 
-dictionary PaymentDetails {
-    PaymentItem total;
+dictionary PaymentDetailsBase {
     sequence<PaymentItem> displayItems;
     sequence<PaymentShippingOption> shippingOptions;
     sequence<PaymentDetailsModifier> modifiers;
-    [RuntimeEnabled=PaymentDetailsError] DOMString error;

[tkent, 2017/03/28 03:17:38]

This removes |error| IDL attribute.  Is it safe?

 };