Reporting: Implement cache.

net/reporting/reporting_client.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 "net/reporting/reporting_client.h"
+
+#include <string>
+
+#include "base/time/time.h"
+#include "url/gurl.h"
+#include "url/origin.h"
+
+namespace net {
+
+ReportingClient::ReportingClient() {}
+
+ReportingClient::ReportingClient(const url::Origin& origin,
+                                 const GURL& endpoint,
+                                 Subdomains subdomains,
+                                 const std::string& group,
+                                 base::TimeTicks expires)
+    : origin(origin),
+      endpoint(endpoint),
+      subdomains(subdomains),
+      group(group),
+      expires(expires) {}
+
+ReportingClient::~ReportingClient() {}
+
+}  // namespace net