Job Controller: clean up metrics logging about the job racing result

net/http/http_stream_factory_impl_job.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/http/http_stream_factory_impl_job.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 
@@ skipping 1465 matching lines @@
     load_flags |= LOAD_IGNORE_ALL_CERT_ERRORS;
   if (ssl_socket->IgnoreCertError(error, load_flags))
     return OK;
   return error;
 }
 
 void HttpStreamFactoryImpl::Job::SwitchToSpdyMode() {
   using_spdy_ = true;
 }
 
-void HttpStreamFactoryImpl::Job::ReportJobSucceededForRequest() {
-  if (using_existing_quic_session_) {
-    // If an existing session was used, then no TCP connection was
-    // started.
-    HistogramAlternateProtocolUsage(ALTERNATE_PROTOCOL_USAGE_NO_RACE);
-  } else if (IsSpdyAlternative() || IsQuicAlternative()) {
-    // This Job was the alternative Job, and hence won the race.
-    HistogramAlternateProtocolUsage(ALTERNATE_PROTOCOL_USAGE_WON_RACE);
-  } else {
-    // This Job was the normal Job, and hence the alternative Job lost the race.
-    HistogramAlternateProtocolUsage(ALTERNATE_PROTOCOL_USAGE_LOST_RACE);
-  }
-}
-
 ClientSocketPoolManager::SocketGroupType
 HttpStreamFactoryImpl::Job::GetSocketGroup() const {
   std::string scheme = origin_url_.scheme();
   if (scheme == "https" || scheme == "wss" || IsSpdyAlternative())
     return ClientSocketPoolManager::SSL_GROUP;
 
   if (scheme == "ftp")
     return ClientSocketPoolManager::FTP_GROUP;
 
   return ClientSocketPoolManager::NORMAL_GROUP;
@@ skipping 11 matching lines @@
 
   ConnectionAttempts socket_attempts = connection_->connection_attempts();
   if (connection_->socket()) {
     connection_->socket()->GetConnectionAttempts(&socket_attempts);
   }
 
   delegate_->AddConnectionAttemptsToRequest(this, socket_attempts);
 }
 
 }  // namespace net