Split NQE to multiple files

net/nqe/cached_network_quality.cc

+// 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.
+
+#include "net/nqe/cached_network_quality.h"
+
+namespace net {
+
+namespace nqe {
+
+namespace internal {
+
+CachedNetworkQuality::CachedNetworkQuality(
+    const NetworkQuality& network_quality)
+    : last_update_time_(base::TimeTicks::Now()),
+      network_quality_(network_quality) {}
+
+CachedNetworkQuality::CachedNetworkQuality(const CachedNetworkQuality& other)
+    : last_update_time_(other.last_update_time_),
+      network_quality_(other.network_quality_) {}
+
+CachedNetworkQuality::~CachedNetworkQuality() {}
+
+bool CachedNetworkQuality::OlderThan(
+    const CachedNetworkQuality& cached_network_quality) const {
+  return last_update_time_ < cached_network_quality.last_update_time_;
+}
+
+}  // namespace internal
+
+}  // namespace nqe
+
+}  // namespace net