Add TRACE_EVENT macros to net.

net/socket/transport_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/transport_client_socket_pool.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/compiler_specific.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/strings/string_util.h"
 #include "base/synchronization/lock.h"
 #include "base/time/time.h"
+#include "base/trace_event/trace_event.h"
 #include "base/values.h"
 #include "net/base/ip_endpoint.h"
 #include "net/base/net_errors.h"
 #include "net/log/net_log.h"
 #include "net/socket/client_socket_factory.h"
 #include "net/socket/client_socket_handle.h"
 #include "net/socket/client_socket_pool_base.h"
 #include "net/socket/socket_net_log_params.h"
 #include "net/socket/tcp_client_socket.h"
 
@@ skipping 79 matching lines @@
   next_state_ = STATE_RESOLVE_HOST_COMPLETE;
   connect_timing_->dns_start = base::TimeTicks::Now();
 
   return resolver_.Resolve(
       params_->destination(), priority, &addresses_, on_io_complete_, net_log);
 }
 
 int TransportConnectJobHelper::DoResolveHostComplete(
     int result,
     const BoundNetLog& net_log) {
+  TRACE_EVENT0("net", "TransportConnectJobHelper::DoResolveHostComplete");
   connect_timing_->dns_end = base::TimeTicks::Now();
   // Overwrite connection start time, since for connections that do not go
   // through proxies, |connect_start| should not include dns lookup time.
   connect_timing_->connect_start = connect_timing_->dns_end;
 
   if (result == OK) {
     // Invoke callback, and abort if it fails.
     if (!params_->host_resolution_callback().is_null())
       result = params_->host_resolution_callback().Run(addresses_, net_log);
 
@@ skipping 491 matching lines @@
     HigherLayeredPool* higher_pool) {
   base_.AddHigherLayeredPool(higher_pool);
 }
 
 void TransportClientSocketPool::RemoveHigherLayeredPool(
     HigherLayeredPool* higher_pool) {
   base_.RemoveHigherLayeredPool(higher_pool);
 }
 
 }  // namespace net