Provide default thresholds for effective connection types

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 {
 
@@ skipping 26 matching lines @@
   downstream_throughput_kbps_ = other.downstream_throughput_kbps_;
   return *this;
 }
 
 bool NetworkQuality::operator==(const NetworkQuality& other) const {
   return http_rtt_ == other.http_rtt_ &&
          transport_rtt_ == other.transport_rtt_ &&
          downstream_throughput_kbps_ == other.downstream_throughput_kbps_;
 }
 
+bool NetworkQuality::IsFaster(const NetworkQuality& other) const {
+  return (http_rtt() == InvalidRTT() || other.http_rtt() == InvalidRTT() ||
+          http_rtt() <= other.http_rtt()) &&
+         (transport_rtt() == InvalidRTT() ||
+          other.transport_rtt() == InvalidRTT() ||
+          transport_rtt() <= other.transport_rtt()) &&
+         (downstream_throughput_kbps() == kInvalidThroughput ||
+          other.downstream_throughput_kbps() == kInvalidThroughput ||
+          downstream_throughput_kbps() >= other.downstream_throughput_kbps());
+}
+
 }  // namespace internal
 }  // namespace nqe
 }  // namespace net