PaymentRequest API.

third_party/WebKit/Source/modules/payments/PaymentRequest.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 PaymentRequest_h
+#define PaymentRequest_h
+
+#include "bindings/core/v8/ScriptPromise.h"
+#include "bindings/core/v8/ScriptValue.h"
+#include "bindings/core/v8/ScriptWrappable.h"
+#include "core/dom/ContextLifecycleObserver.h"
+#include "core/events/EventTarget.h"
+#include "modules/payments/PaymentDetails.h"
+#include "modules/payments/PaymentOptions.h"
+#include "modules/payments/ShippingAddress.h"
+#include "platform/heap/Handle.h"
+#include "wtf/Noncopyable.h"
+#include "wtf/Vector.h"
+#include "wtf/text/WTFString.h"
+
+namespace blink {
+
+class ExceptionState;
+class ExecutionContext;
+class ScriptState;
+
+class PaymentRequest final : public RefCountedGarbageCollectedEventTargetWithInlineData<PaymentRequest>, public ContextLifecycleObserver {

[haraken, 2016/03/01 02:33:47]

I don't think PaymentRequest needs to be a ContextLifecycleObserver. Alternately
you can:

- Add [ConstructorCallWith=ScriptState].
- Make PaymentRequest hold RefPtr<ScriptState>.
- Extract the execution context with m_scriptState->executionContext().

[please use gerrit instead, 2016/03/02 00:32:53]

Done.

+    REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(PaymentRequest);
+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(PaymentRequest);
+    DEFINE_WRAPPERTYPEINFO();
+    WTF_MAKE_NONCOPYABLE(PaymentRequest);
+
+public:
+    static PaymentRequest* create(ExecutionContext*, const Vector<String>& supportedMethods, const PaymentDetails&, ExceptionState&);
+    static PaymentRequest* create(ExecutionContext*, const Vector<String>& supportedMethods, const PaymentDetails&, const PaymentOptions&, ExceptionState&);
+    static PaymentRequest* create(ExecutionContext*, const Vector<String>& supportedMethods, const PaymentDetails&, const PaymentOptions&, const ScriptValue& data, ExceptionState&);
+
+    virtual ~PaymentRequest();
+
+    ScriptPromise show(ScriptState*);
+    void abort();
+
+    ShippingAddress* shippingAddress() const { return m_shippingAddress.get(); }
+    const String& shippingOption() const { return m_shippingOption; }
+
+    DEFINE_ATTRIBUTE_EVENT_LISTENER(shippingaddresschange);
+    DEFINE_ATTRIBUTE_EVENT_LISTENER(shippingoptionchange);
+
+    // EventTargetWithInlineData:
+    const AtomicString& interfaceName() const override;
+    ExecutionContext* executionContext() const override;
+
+    DECLARE_TRACE();
+
+private:
+    PaymentRequest(ExecutionContext*, const Vector<String>& supportedMethods, const PaymentDetails&, const PaymentOptions&, const ScriptValue& data, ExceptionState&);
+
+    Vector<String> m_supportedMethods;
+    PaymentDetails m_details;
+    PaymentOptions m_options;
+    String m_stringifiedData;
+    Member<ShippingAddress> m_shippingAddress;
+    String m_shippingOption;
+};
+
+} // namespace blink
+
+#endif // PaymentRequest_h