Chromium roll (https://codereview.chromium.org/976353002)

base/synchronization/waitable_event_watcher_win.cc

 // Copyright (c) 2011 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 "base/synchronization/waitable_event_watcher.h"
 
 #include "base/compiler_specific.h"
-#include "base/profiler/scoped_tracker.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/win/object_watcher.h"
 
 namespace base {
 
 WaitableEventWatcher::WaitableEventWatcher()
     : event_(NULL) {
 }
 
 WaitableEventWatcher::~WaitableEventWatcher() {
@@ skipping 11 matching lines @@
   callback_.Reset();
   event_ = NULL;
   watcher_.StopWatching();
 }
 
 WaitableEvent* WaitableEventWatcher::GetWatchedEvent() {
   return event_;
 }
 
 void WaitableEventWatcher::OnObjectSignaled(HANDLE h) {
-  // TODO(vadimt): Remove ScopedTracker below once crbug.com/418183 is fixed.
-  tracked_objects::ScopedTracker tracking_profile(
-      FROM_HERE_WITH_EXPLICIT_FUNCTION(
-          "418183 WaitableEventWatcher::OnObjectSignaled"));
-
   WaitableEvent* event = event_;
   EventCallback callback = callback_;
   event_ = NULL;
   callback_.Reset();
   DCHECK(event);
 
   callback.Run(event);
 }
 
 }  // namespace base