Initial framework setup and skeleton for BackgroundFetchContext

content/browser/background_fetch/fetch_request.h

Index: content/browser/background_fetch/fetch_request.h
diff --git a/content/browser/background_fetch/fetch_request.h b/content/browser/background_fetch/fetch_request.h
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index 0000000000000000000000000000000000000000..23537a72b5b133b9cee62c3e850996a6638826ed
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+++ b/content/browser/background_fetch/fetch_request.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_FETCH_REQUEST_H_
+#define CONTENT_BROWSER_BACKGROUND_FETCH_FETCH_REQUEST_H_
+
+#include "content/common/content_export.h"
+#include "content/common/service_worker/service_worker_types.h"
+#include "url/gurl.h"
+#include "url/origin.h"
+
+namespace content {
+
+// Simple class to encapsulate the components of a fetch request.
+class CONTENT_EXPORT FetchRequest {
+ public:
+  FetchRequest();
+  FetchRequest(const url::Origin& origin,
+               const GURL& url,
+               int64_t sw_registration_id,
+               const std::string& tag);
+  // TODO(harkness): Remove copy constructor once the final (non-map-based)
+  // state management is in place.
+  FetchRequest(const FetchRequest& request);
+  ~FetchRequest();
+
+  const std::string& guid() const { return guid_; }
+  const url::Origin& origin() const { return origin_; }
+  const GURL& url() const { return url_; }
+  int64_t service_worker_registration_id() const {
+    return service_worker_registration_id_;
+  }
+  const std::string& tag() const { return tag_; }
+
+ private:
+  std::string guid_;
+  url::Origin origin_;
+  GURL url_;
+  int64_t service_worker_registration_id_ = kInvalidServiceWorkerRegistrationId;
+  std::string tag_;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_BACKGROUND_FETCH_FETCH_REQUEST_H_