Split NQE to multiple files

net/nqe/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/network_quality.h"
+
+namespace net {
+
+namespace nqe {
+
+namespace internal {
+
+base::TimeDelta InvalidRTT() {
+  return base::TimeDelta::Max();
+}
+
+NetworkQuality::NetworkQuality()
+    : NetworkQuality(InvalidRTT(), kInvalidThroughput) {}
+
+NetworkQuality::NetworkQuality(const base::TimeDelta& rtt,
+                               int32_t downstream_throughput_kbps)
+    : rtt_(rtt), downstream_throughput_kbps_(downstream_throughput_kbps) {
+  DCHECK_GE(rtt_, base::TimeDelta());
+  DCHECK_GE(downstream_throughput_kbps_, 0);
+}
+
+NetworkQuality::NetworkQuality(const NetworkQuality& other)
+    : NetworkQuality(other.rtt_, other.downstream_throughput_kbps_) {}
+
+NetworkQuality::~NetworkQuality() {}
+
+NetworkQuality& NetworkQuality::operator=(const NetworkQuality& other) {
+  rtt_ = other.rtt_;
+  downstream_throughput_kbps_ = other.downstream_throughput_kbps_;
+  return *this;
+}
+
+}  // namespace internal
+
+}  // namespace nqe
+
+}  // namespace net