Update from https://crrev.com/316786

net/socket/ssl_client_socket_pool.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/socket/ssl_client_socket_pool.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
@@ skipping 534 matching lines @@
         UMA_HISTOGRAM_CUSTOM_TIMES("Net.SSL_Connection_Latency_Google_"
                                        "Full_Handshake",
                                    connect_duration,
                                    base::TimeDelta::FromMilliseconds(1),
                                    base::TimeDelta::FromMinutes(1),
                                    100);
       }
     }
   }
 
+  UMA_HISTOGRAM_SPARSE_SLOWLY("Net.SSL_Connection_Error", std::abs(result));
+  if (params_->ssl_config().fastradio_padding_eligible) {
+    UMA_HISTOGRAM_SPARSE_SLOWLY("Net.SSL_Connection_Error_FastRadioPadding",
+                                std::abs(result));
+  }
+
   if (result == OK || IsCertificateError(result)) {
     SetSocket(ssl_socket_.Pass());
   } else if (result == ERR_SSL_CLIENT_AUTH_CERT_NEEDED) {
     error_response_info_.cert_request_info = new SSLCertRequestInfo;
     ssl_socket_->GetSSLCertRequestInfo(
         error_response_info_.cert_request_info.get());
   }
 
   return result;
 }
@@ skipping 277 matching lines @@
   CHECK(it != messenger_map_.end());
   delete it->second;
   messenger_map_.erase(it);
 }
 
 void SSLClientSocketPool::OnSSLConfigChanged() {
   FlushWithError(ERR_NETWORK_CHANGED);
 }
 
 }  // namespace net