Implement the events for Background Fetch

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

Index: third_party/WebKit/Source/modules/background_fetch/BackgroundFetchFailEvent.cpp
diff --git a/third_party/WebKit/Source/modules/background_fetch/BackgroundFetchFailEvent.cpp b/third_party/WebKit/Source/modules/background_fetch/BackgroundFetchFailEvent.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..7f95187352248ea3ca7f44e999d383c335631c7e
--- /dev/null
+++ b/third_party/WebKit/Source/modules/background_fetch/BackgroundFetchFailEvent.cpp
@@ -0,0 +1,23 @@
+// 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/BackgroundFetchFailEvent.h"
+
+#include "modules/EventModulesNames.h"
+#include "modules/background_fetch/BackgroundFetchFailEventInit.h"
+
+namespace blink {
+
+BackgroundFetchFailEvent::BackgroundFetchFailEvent(
+    const AtomicString& type,
+    const BackgroundFetchFailEventInit& init)
+    : BackgroundFetchEvent(type, init) {}
+
+BackgroundFetchFailEvent::~BackgroundFetchFailEvent() = default;
+
+const AtomicString& BackgroundFetchFailEvent::interfaceName() const {
+  return EventNames::BackgroundFetchFailEvent;
+}
+
+}  // namespace blink