Remove unused historgrams: Net.QuicEphemeralPortsSuggested

net/quic/quic_stream_factory.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_stream_factory.h"
 
 #include <algorithm>
 #include <set>
 #include <utility>
 
@@ skipping 1526 matching lines @@
           bind_type, base::Bind(&PortSuggester::SuggestPort, port_suggester),
           net_log.net_log(), net_log.source()));
 
   // Passing in kInvalidNetworkHandle binds socket to default network.
   int rv = ConfigureSocket(socket.get(), addr,
                            NetworkChangeNotifier::kInvalidNetworkHandle);
   if (rv != OK) {
     return rv;
   }
 
-  UMA_HISTOGRAM_COUNTS("Net.QuicEphemeralPortsSuggested",
-                       port_suggester->call_count());
   if (enable_port_selection) {
     DCHECK_LE(1u, port_suggester->call_count());
   } else {
     DCHECK_EQ(0u, port_suggester->call_count());
   }
 
   if (!helper_.get()) {
     helper_.reset(new QuicChromiumConnectionHelper(
         base::ThreadTaskRunnerHandle::Get().get(), clock_.get(),
         random_generator_));
@@ skipping 208 matching lines @@
   // Since the session was active, there's no longer an
   // HttpStreamFactoryImpl::Job running which can mark it broken, unless the TCP
   // job also fails. So to avoid not using QUIC when we otherwise could, we mark
   // it as recently broken, which means that 0-RTT will be disabled but we'll
   // still race.
   http_server_properties_->MarkAlternativeServiceRecentlyBroken(
       alternative_service);
 }
 
 }  // namespace net