Rename QUIC connection timeout error codes to be more descriptive.

net/quic/quic_chromium_client_session.cc

 // Copyright (c) 2012 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/quic/quic_chromium_client_session.h"
 
 #include <utility>
 
 #include "base/callback_helpers.h"
 #include "base/location.h"
@@ skipping 695 matching lines @@
   } else {
     if (IsCryptoHandshakeConfirmed()) {
       UMA_HISTOGRAM_SPARSE_SLOWLY(
           "Net.QuicSession.ConnectionCloseErrorCodeClient.HandshakeConfirmed",
           error);
     }
     UMA_HISTOGRAM_SPARSE_SLOWLY(
         "Net.QuicSession.ConnectionCloseErrorCodeClient", error);
   }
 
-  if (error == QUIC_CONNECTION_TIMED_OUT) {
+  if (error == QUIC_NETWORK_IDLE_TIMEOUT) {
     UMA_HISTOGRAM_COUNTS(
         "Net.QuicSession.ConnectionClose.NumOpenStreams.TimedOut",
         GetNumOpenOutgoingStreams());
     if (IsCryptoHandshakeConfirmed()) {
       if (GetNumOpenOutgoingStreams() > 0) {
         disabled_reason_ = QUIC_DISABLED_TIMEOUT_WITH_OPEN_STREAMS;
         UMA_HISTOGRAM_BOOLEAN(
             "Net.QuicSession.TimedOutWithOpenStreams.HasUnackedPackets",
             connection()->sent_packet_manager().HasUnackedPackets());
         UMA_HISTOGRAM_COUNTS(
@@ skipping 291 matching lines @@
 }
 
 const DatagramClientSocket* QuicChromiumClientSession::GetDefaultSocket()
     const {
   DCHECK(sockets_.back().get() != nullptr);
   // The most recently added socket is the currently active one.
   return sockets_.back().get();
 }
 
 }  // namespace net