PaymentHandler: Implement PaymentRequestEvent constructor.

third_party/WebKit/Source/modules/payments/PaymentRequestEvent.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/PaymentRequestEvent.h"
 
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/DOMException.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "core/workers/WorkerLocation.h"
 #include "modules/serviceworkers/RespondWithObserver.h"
 #include "modules/serviceworkers/ServiceWorkerGlobalScopeClient.h"
 #include "modules/serviceworkers/ServiceWorkerWindowClientCallback.h"
 #include "platform/wtf/PtrUtil.h"
 #include "platform/wtf/text/AtomicString.h"
 
 namespace blink {
 
 PaymentRequestEvent* PaymentRequestEvent::Create(
     const AtomicString& type,
+    const PaymentRequestEventInit& initializer) {
+  return new PaymentRequestEvent(type, initializer, nullptr, nullptr);
+}
+
+PaymentRequestEvent* PaymentRequestEvent::Create(
+    const AtomicString& type,
     const PaymentRequestEventInit& initializer,
     RespondWithObserver* respond_with_observer,
     WaitUntilObserver* wait_until_observer) {
   return new PaymentRequestEvent(type, initializer, respond_with_observer,
                                  wait_until_observer);
 }
 
 PaymentRequestEvent::~PaymentRequestEvent() {}
 
 const AtomicString& PaymentRequestEvent::InterfaceName() const {
@@ skipping 84 matching lines @@
   visitor->Trace(modifiers_);
   visitor->Trace(observer_);
   ExtendableEvent::Trace(visitor);
 }
 
 PaymentRequestEvent::PaymentRequestEvent(
     const AtomicString& type,
     const PaymentRequestEventInit& initializer,
     RespondWithObserver* respond_with_observer,
     WaitUntilObserver* wait_until_observer)
-    : ExtendableEvent(type, ExtendableEventInit(), wait_until_observer),
+    : ExtendableEvent(type, initializer, wait_until_observer),
       top_level_origin_(initializer.topLevelOrigin()),
       payment_request_origin_(initializer.paymentRequestOrigin()),
       payment_request_id_(initializer.paymentRequestId()),
       method_data_(std::move(initializer.methodData())),
       total_(initializer.total()),
       modifiers_(initializer.modifiers()),
       instrument_key_(initializer.instrumentKey()),
       observer_(respond_with_observer) {}
 
 }  // namespace blink