NetInfo: Return HTTP layer metrics instead of transport layer

third_party/WebKit/Source/modules/netinfo/NetworkInformation.h

 // Copyright 2014 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 NetworkInformation_h
 #define NetworkInformation_h
 
 #include "core/dom/ContextLifecycleObserver.h"
 #include "core/events/EventTarget.h"
 #include "platform/bindings/ActiveScriptWrappable.h"
@@ skipping 65 matching lines @@
   WebConnectionType type_;
 
   // Touched only on context thread.
   double downlink_max_mbps_;
 
   // Current effective connection type, which is the connection type whose
   // typical performance is most similar to the measured performance of the
   // network in use.
   WebEffectiveConnectionType effective_type_;
 
-  // Transport RTT estimate. Rounded off to the nearest 25 msec. Touched only on
+  // HTTP RTT estimate. Rounded off to the nearest 25 msec. Touched only on
   // context thread.
-  unsigned long transport_rtt_msec_;
+  unsigned long http_rtt_msec_;
 
   // Downlink throughput estimate. Rounded off to the nearest 25 kbps. Touched
   // only on context thread.
   double downlink_mbps_;
 
   // Whether this object is listening for events from NetworkStateNotifier.
   bool observing_;
 
   // Whether ContextLifecycleObserver::contextDestroyed has been called.
   bool context_stopped_;
 };
 
 }  // namespace blink
 
 #endif  // NetworkInformation_h