Implement BackgroundFetchManager::{get, fetch}()

third_party/WebKit/Source/modules/background_fetch/BackgroundFetchRegistration.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/BackgroundFetchRegistration.h"
+
+#include "modules/background_fetch/IconDefinition.h"
+#include "modules/serviceworkers/ServiceWorkerRegistration.h"
+
+namespace blink {
+
+BackgroundFetchRegistration::BackgroundFetchRegistration(
+    ServiceWorkerRegistration* registration,
+    String tag,
+    HeapVector<IconDefinition> icons,
+    long long totalDownloadSize,
+    String title)
+    : m_registration(registration),
+      m_tag(tag),
+      m_icons(icons),
+      m_totalDownloadSize(totalDownloadSize),
+      m_title(title) {}
+
+BackgroundFetchRegistration::~BackgroundFetchRegistration() = default;
+
+String BackgroundFetchRegistration::tag() const {
+  return m_tag;
+}
+
+HeapVector<IconDefinition> BackgroundFetchRegistration::icons() const {
+  return m_icons;
+}
+
+long long BackgroundFetchRegistration::totalDownloadSize() const {
+  return m_totalDownloadSize;
+}
+
+String BackgroundFetchRegistration::title() const {
+  return m_title;
+}
+
+void BackgroundFetchRegistration::abort() {
+  // TODO(peter): Implement the ability to abort the active background fetch
+  // for the |m_registration| identified by the |m_tag|.
+}
+
+DEFINE_TRACE(BackgroundFetchRegistration) {
+  visitor->trace(m_registration);
+  visitor->trace(m_icons);
+}
+
+}  // namespace blink