Remove unnecessary instrumentation for several jank bugs.

net/socket/socks_client_socket.cc

Index: net/socket/socks_client_socket.cc
diff --git a/net/socket/socks_client_socket.cc b/net/socket/socks_client_socket.cc
index 18fcf74aa912ab8c0cc9330eb75ad9d4fa209d32..fd16f832915a5870d12aea02b82a7b36e762c0ea 100644
--- a/net/socket/socks_client_socket.cc
+++ b/net/socket/socks_client_socket.cc
@@ -8,7 +8,6 @@
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/compiler_specific.h"
-#include "base/profiler/scoped_tracker.h"
 #include "base/sys_byteorder.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_util.h"
@@ -231,11 +230,6 @@ void SOCKSClientSocket::DoCallback(int result) {
 }
 
 void SOCKSClientSocket::OnIOComplete(int result) {
-  // TODO(vadimt): Remove ScopedTracker below once crbug.com/436634 is fixed.
-  tracked_objects::ScopedTracker tracking_profile(
-      FROM_HERE_WITH_EXPLICIT_FUNCTION(
-          "436634 SOCKSClientSocket::OnIOComplete"));
-
   DCHECK_NE(STATE_NONE, next_state_);
   int rv = DoLoop(result);
   if (rv != ERR_IO_PENDING) {