Implement the events for Background Fetch

third_party/WebKit/Source/modules/background_fetch/BackgroundFetchClickEvent.cpp

+// 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.
+
+#include "modules/background_fetch/BackgroundFetchClickEvent.h"
+
+#include "modules/EventModulesNames.h"
+#include "modules/background_fetch/BackgroundFetchClickEventInit.h"
+
+namespace blink {
+
+BackgroundFetchClickEvent::BackgroundFetchClickEvent(
+    const AtomicString& type,
+    const BackgroundFetchClickEventInit& init)
+    : BackgroundFetchEvent(type, init), m_state(init.state()) {}
+
+BackgroundFetchClickEvent::~BackgroundFetchClickEvent() = default;
+
+String BackgroundFetchClickEvent::state() const {
+  return m_state;
+}
+
+const AtomicString& BackgroundFetchClickEvent::interfaceName() const {
+  return EventNames::BackgroundFetchClickEvent;
+}
+
+}  // namespace blink