Split NQE to multiple files

net/nqe/cached_network_quality.h

+// Copyright 2016 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 NET_NQE_CACHED_NETWORK_QUALITY_H_
+#define NET_NQE_CACHED_NETWORK_QUALITY_H_
+
+#include "base/macros.h"
+#include "base/time/time.h"
+#include "net/base/net_export.h"
+#include "net/nqe/network_quality.h"
+
+namespace net {
+
+namespace nqe {
+
+namespace internal {
+
+// CachedNetworkQuality stores the quality of a previously seen network.
+class NET_EXPORT_PRIVATE CachedNetworkQuality {
+ public:
+  explicit CachedNetworkQuality(const NetworkQuality& network_quality);
+  CachedNetworkQuality(const CachedNetworkQuality& other);
+  ~CachedNetworkQuality();
+
+  // Returns the network quality associated with this cached entry.
+  const NetworkQuality& network_quality() const { return network_quality_; }
+
+  // Returns true if this cache entry was updated before
+  // |cached_network_quality|.
+  bool OlderThan(const CachedNetworkQuality& cached_network_quality) const;
+
+  // Time when this cache entry was last updated.
+  const base::TimeTicks last_update_time_;
+
+  // Quality of this cached network.
+  const NetworkQuality network_quality_;
+
+ private:
+  DISALLOW_ASSIGN(CachedNetworkQuality);
+};
+
+}  // namespace internal
+
+}  // namespace nqe
+
+}  // namespace net
+
+#endif  // NET_NQE_CACHED_NETWORK_QUALITY_H_