Standardize "net" category trace events

net/socket/client_socket_handle.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/client_socket_handle.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/trace_event/trace_event.h"
 #include "net/base/net_errors.h"
+#include "net/base/trace_constants.h"
 #include "net/log/net_log_event_type.h"
 #include "net/socket/client_socket_pool.h"
 
 namespace net {
 
 ClientSocketHandle::ClientSocketHandle()
     : is_initialized_(false),
       pool_(NULL),
       higher_pool_(NULL),
       reuse_type_(ClientSocketHandle::UNUSED),
@@ skipping 105 matching lines @@
 
   load_timing_info->connect_timing = connect_timing_;
   return true;
 }
 
 void ClientSocketHandle::SetSocket(std::unique_ptr<StreamSocket> s) {
   socket_ = std::move(s);
 }
 
 void ClientSocketHandle::OnIOComplete(int result) {
-  TRACE_EVENT0("net", "ClientSocketHandle::OnIOComplete");
+  TRACE_EVENT0(kNetTracingCategory, "ClientSocketHandle::OnIOComplete");
   CompletionCallback callback = user_callback_;
   user_callback_.Reset();
   HandleInitCompletion(result);
   callback.Run(result);
 }
 
 std::unique_ptr<StreamSocket> ClientSocketHandle::PassSocket() {
   return std::move(socket_);
 }
 
@@ skipping 12 matching lines @@
   // Broadcast that the socket has been acquired.
   // TODO(eroman): This logging is not complete, in particular set_socket() and
   // release() socket. It ends up working though, since those methods are being
   // used to layer sockets (and the destination sources are the same).
   DCHECK(socket_.get());
   socket_->NetLog().BeginEvent(NetLogEventType::SOCKET_IN_USE,
                                requesting_source_.ToEventParametersCallback());
 }
 
 }  // namespace net