Create the BackgroundFetchBatchManager and initiate a download.

content/browser/background_fetch/background_fetch_job_info.h

Index: content/browser/background_fetch/background_fetch_job_info.h
diff --git a/content/browser/background_fetch/background_fetch_job_info.h b/content/browser/background_fetch/background_fetch_job_info.h
new file mode 100644
index 0000000000000000000000000000000000000000..aba5bd8fa89a22e4590e3e88890c6b2cc35aede1
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+++ b/content/browser/background_fetch/background_fetch_job_info.h
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+// 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.
+
+#ifndef CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_JOB_INFO_H
+#define CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_JOB_INFO_H
+
+#include <string>
+#include <vector>
+
+#include "base/macros.h"
+#include "content/common/content_export.h"
+#include "content/common/service_worker/service_worker_types.h"
+#include "url/origin.h"
+
+namespace content {
+
+// Class to encapsulate a batch of FetchRequests into a single grouping which is
+// what the developer requested.
+class CONTENT_EXPORT BackgroundFetchJobInfo {
+ public:
+  BackgroundFetchJobInfo(const std::string& tag,
+                         const url::Origin& origin,
+                         int64_t service_worker_registration_id);
+  ~BackgroundFetchJobInfo();
+
+  const std::string& guid() const { return guid_; }
+  const std::string& tag() const { return tag_; }
+  const url::Origin& origin() const { return origin_; }
+  int64_t service_worker_registration_id() const {
+    return service_worker_registration_id_;
+  }
+
+  const std::vector<std::string>& request_guids() const {
+    return request_guids_;
+  }
+
+ private:
+  std::string guid_;
+  std::string tag_;
+  url::Origin origin_;
+  int64_t service_worker_registration_id_ = kInvalidServiceWorkerRegistrationId;
+  std::vector<std::string> request_guids_;
+
+  // TODO(harkness): Other things this class should track: estimated download
+  // size, current download size, total number of files, number of complete
+  // files, (possibly) data to show the notification, (possibly) list of in
+  // progress FetchRequests.
+
+  DISALLOW_COPY_AND_ASSIGN(BackgroundFetchJobInfo);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_JOB_INFO_H