Update from https://crrev.com/307330

net/http/http_auth_handler_negotiate.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_auth_handler_negotiate.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
+#include "base/profiler/scoped_tracker.h"
 #include "base/strings/stringprintf.h"
 #include "net/base/address_family.h"
 #include "net/base/net_errors.h"
 #include "net/dns/host_resolver.h"
 #include "net/dns/single_request_host_resolver.h"
 #include "net/http/http_auth_filter.h"
 #include "net/http/url_security_manager.h"
 
 namespace net {
 
@@ skipping 205 matching lines @@
     }
     next_state_ = STATE_RESOLVE_CANONICAL_NAME;
   }
   int rv = DoLoop(OK);
   if (rv == ERR_IO_PENDING)
     callback_ = callback;
   return rv;
 }
 
 void HttpAuthHandlerNegotiate::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 HttpAuthHandlerNegotiate::OnIOComplete"));
+
   int rv = DoLoop(result);
   if (rv != ERR_IO_PENDING)
     DoCallback(rv);
 }
 
 void HttpAuthHandlerNegotiate::DoCallback(int rv) {
   DCHECK(rv != ERR_IO_PENDING);
   DCHECK(!callback_.is_null());
   CompletionCallback callback = callback_;
   callback_.Reset();
@@ skipping 83 matching lines @@
 bool HttpAuthHandlerNegotiate::CanDelegate() const {
   // TODO(cbentzel): Should delegation be allowed on proxies?
   if (target_ == HttpAuth::AUTH_PROXY)
     return false;
   if (!url_security_manager_)
     return false;
   return url_security_manager_->CanDelegate(origin_);
 }
 
 }  // namespace net