[NOT FOR REVIEW] Instrument net/ with trace events.

net/socket/ssl_client_socket_pool.cc

Index: net/socket/ssl_client_socket_pool.cc
diff --git a/net/socket/ssl_client_socket_pool.cc b/net/socket/ssl_client_socket_pool.cc
index 371ec00ca24f06a94ce770a9377e4cdd5807f5e2..e98f8f53b0ecc7b46a60f6fc460976896ebda01a 100644
--- a/net/socket/ssl_client_socket_pool.cc
+++ b/net/socket/ssl_client_socket_pool.cc
@@ -27,6 +27,8 @@
 #include "net/ssl/ssl_connection_status_flags.h"
 #include "net/ssl/ssl_info.h"
 
+#include "base/trace_event/trace_event.h"
+
 namespace net {
 
 SSLSocketParams::SSLSocketParams(
@@ -166,12 +168,14 @@ void SSLConnectJob::GetAdditionalErrorState(ClientSocketHandle* handle) {
 }
 
 void SSLConnectJob::OnIOComplete(int result) {
+  TRACE_EVENT0("net", "net::SSLConnectJob::OnIOComplete");
   int rv = DoLoop(result);
   if (rv != ERR_IO_PENDING)
     NotifyDelegateOfCompletion(rv);  // Deletes |this|.
 }
 
 int SSLConnectJob::DoLoop(int result) {
+  TRACE_EVENT0("net", "net::SSLConnectJob::DoLoop");
   DCHECK_NE(next_state_, STATE_NONE);
 
   int rv = result;