Update from https://crrev.com/316786

net/http/http_network_transaction.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_network_transaction.h"
 
 #include <set>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/compiler_specific.h"
 #include "base/format_macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
-#include "base/metrics/stats_counters.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "net/base/auth.h"
 #include "net/base/host_port_pair.h"
@@ skipping 128 matching lines @@
     }
   }
 
   if (request_ && request_->upload_data_stream)
     request_->upload_data_stream->Reset();  // Invalidate pending callbacks.
 }
 
 int HttpNetworkTransaction::Start(const HttpRequestInfo* request_info,
                                   const CompletionCallback& callback,
                                   const BoundNetLog& net_log) {
-  SIMPLE_STATS_COUNTER("HttpNetworkTransaction.Count");
-
   net_log_ = net_log;
   request_ = request_info;
 
   if (request_->load_flags & LOAD_DISABLE_CERT_REVOCATION_CHECKING) {
     server_ssl_config_.rev_checking_enabled = false;
     proxy_ssl_config_.rev_checking_enabled = false;
   }
 
   if (request_->load_flags & LOAD_PREFETCH)
     response_.unused_since_prefetch = true;
 
   // Channel ID is disabled if privacy mode is enabled for this request.
   if (request_->privacy_mode == PRIVACY_MODE_ENABLED)
     server_ssl_config_.channel_id_enabled = false;
 
+  if (server_ssl_config_.fastradio_padding_enabled) {
+    server_ssl_config_.fastradio_padding_eligible =
+        session_->ssl_config_service()->SupportsFastradioPadding(
+            request_info->url);
+  }
+
   next_state_ = STATE_NOTIFY_BEFORE_CREATE_STREAM;
   int rv = DoLoop(OK);
   if (rv == ERR_IO_PENDING)
     callback_ = callback;
   return rv;
 }
 
 int HttpNetworkTransaction::RestartIgnoringLastError(
     const CompletionCallback& callback) {
   DCHECK(!stream_.get());
@@ skipping 1338 matching lines @@
       description = base::StringPrintf("Unknown state 0x%08X (%u)", state,
                                        state);
       break;
   }
   return description;
 }
 
 #undef STATE_CASE
 
 }  // namespace net