TaskManager: unique_ptr<> ownership of TaskGroups

chrome/browser/task_management/sampling/task_group.cc

 // Copyright 2015 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 "chrome/browser/task_management/sampling/task_group.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/bind.h"
 #include "base/callback.h"
-#include "base/stl_util.h"
 #include "build/build_config.h"
 #include "chrome/browser/task_management/task_manager_observer.h"
 #include "components/nacl/browser/nacl_browser.h"
 #include "content/public/browser/browser_thread.h"
 #include "gpu/ipc/common/memory_stats.h"
 
 namespace task_management {
 
 namespace {
 
@@ skipping 242 matching lines @@
 
 void TaskGroup::OnBackgroundRefreshTypeFinished(int64_t finished_refresh_type) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
   current_on_bg_done_flags_ |= finished_refresh_type;
   if (AreBackgroundCalculationsDone())
     on_background_calculations_done_.Run();
 }
 
 }  // namespace task_management