Create the BackgroundFetchBatchManager and initiate a download.

content/browser/background_fetch/background_fetch_request_info.cc

+// 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 "content/browser/background_fetch/background_fetch_request_info.h"
+
+#include <string>
+
+#include "base/guid.h"
+#include "content/public/browser/download_item.h"
+
+namespace content {
+
+BackgroundFetchRequestInfo::BackgroundFetchRequestInfo() = default;
+
+BackgroundFetchRequestInfo::BackgroundFetchRequestInfo(const GURL& url,
+                                                       const std::string& tag)
+    : guid_(base::GenerateGUID()), url_(url), tag_(tag) {}
+
+BackgroundFetchRequestInfo::BackgroundFetchRequestInfo(
+    const BackgroundFetchRequestInfo& request)
+    : guid_(request.guid_), url_(request.url_), tag_(request.tag_) {}
+
+BackgroundFetchRequestInfo::~BackgroundFetchRequestInfo() = default;
+
+}  // namespace content