Implement and ship PushSubscription.expirationTime

third_party/WebKit/Source/modules/push_messaging/PushSubscription.h

 // Copyright 2014 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 PushSubscription_h
 #define PushSubscription_h
 
 #include <memory>
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "core/dom/DOMArrayBuffer.h"
+#include "core/dom/DOMTimeStamp.h"
 #include "platform/bindings/ScriptWrappable.h"
 #include "platform/heap/Handle.h"
 #include "platform/weborigin/KURL.h"
 #include "platform/wtf/PassRefPtr.h"
 #include "platform/wtf/RefPtr.h"
 
 namespace blink {
 
 class PushSubscriptionOptions;
 class ServiceWorkerRegistration;
 class ScriptPromiseResolver;
 class ScriptState;
 struct WebPushSubscription;
 
 class PushSubscription final
     : public GarbageCollectedFinalized<PushSubscription>,
       public ScriptWrappable {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   static PushSubscription* Take(ScriptPromiseResolver*,
                                 std::unique_ptr<WebPushSubscription>,
                                 ServiceWorkerRegistration*);
   static void Dispose(WebPushSubscription* subscription_raw);
 
   virtual ~PushSubscription();
 
   KURL endpoint() const { return endpoint_; }
+  DOMTimeStamp expirationTime(bool& is_null) const;
 
   PushSubscriptionOptions* options() const { return options_.Get(); }
 
   DOMArrayBuffer* getKey(const AtomicString& name) const;
   ScriptPromise unsubscribe(ScriptState*);
 
   ScriptValue toJSONForBinding(ScriptState*);
 
   DECLARE_TRACE();
 
  private:
   PushSubscription(const WebPushSubscription&, ServiceWorkerRegistration*);
 
   KURL endpoint_;
 
   Member<PushSubscriptionOptions> options_;
 
   Member<DOMArrayBuffer> p256dh_;
   Member<DOMArrayBuffer> auth_;
 
   Member<ServiceWorkerRegistration> service_worker_registration_;
 };
 
 }  // namespace blink
 
 #endif  // PushSubscription_h