Add pending line item support for web payments.

third_party/WebKit/Source/modules/payments/PaymentRequest.cpp

 // 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 "modules/payments/PaymentRequest.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/JSONValuesForV8.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
@@ skipping 49 matching lines @@
     return output;
   }
 };
 
 template <>
 struct TypeConverter<PaymentItemPtr, blink::PaymentItem> {
   static PaymentItemPtr Convert(const blink::PaymentItem& input) {
     PaymentItemPtr output = PaymentItem::New();
     output->label = input.label();
     output->amount = PaymentCurrencyAmount::From(input.amount());
+    output->pending = input.pending();
     return output;
   }
 };
 
 template <>
 struct TypeConverter<PaymentShippingOptionPtr, blink::PaymentShippingOption> {
   static PaymentShippingOptionPtr Convert(
       const blink::PaymentShippingOption& input) {
     PaymentShippingOptionPtr output = PaymentShippingOption::New();
     output->id = input.id();
@@ skipping 755 matching lines @@
   m_completeTimer.stop();
   m_completeResolver.clear();
   m_showResolver.clear();
   m_abortResolver.clear();
   if (m_clientBinding.is_bound())
     m_clientBinding.Close();
   m_paymentProvider.reset();
 }
 
 }  // namespace blink