NetInfo: Return HTTP layer metrics instead of transport layer

third_party/WebKit/Source/platform/network/NetworkStateNotifier.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 157 matching lines @@
     unsigned long transport_rtt_msec,
     double downlink_throughput_mbps) {
   DCHECK(IsMainThread());
   ScopedNotifier notifier(*this);
   {
     MutexLocker locker(mutex_);
     has_override_ = true;
     override_.on_line_initialized = true;
     override_.connection_initialized = true;
     override_.effective_type = effective_type;
-    override_.transport_rtt =
-        base::TimeDelta::FromMilliseconds(transport_rtt_msec);
+    override_.http_rtt = base::TimeDelta::FromMilliseconds(transport_rtt_msec);
     override_.downlink_throughput_mbps = base::nullopt;
     if (downlink_throughput_mbps >= 0)
       override_.downlink_throughput_mbps = downlink_throughput_mbps;
   }
 }
 
 void NetworkStateNotifier::ClearOverride() {
   DCHECK(IsMainThread());
   ScopedNotifier notifier(*this);
   {
@@ skipping 117 matching lines @@
 
   list->zeroed_observers.clear();
 
   if (list->observers.IsEmpty()) {
     MutexLocker locker(mutex_);
     map.erase(task_runner);  // deletes list
   }
 }
 
 }  // namespace blink