Remove std::mem_fun uses.

storage/browser/quota/quota_task.cc

 // Copyright 2013 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 "storage/browser/quota/quota_task.h"
 
 #include <algorithm>
 #include <functional>
 
 #include "base/bind.h"
@@ skipping 40 matching lines @@
   DCHECK(original_task_runner_->BelongsToCurrentThread());
   if (delete_scheduled_)
     return;
   delete_scheduled_ = true;
   base::MessageLoop::current()->DeleteSoon(FROM_HERE, this);
 }
 
 // QuotaTaskObserver -------------------------------------------------------
 
 QuotaTaskObserver::~QuotaTaskObserver() {
-  std::for_each(running_quota_tasks_.begin(),
-                running_quota_tasks_.end(),
-                std::mem_fun(&QuotaTask::Abort));
+  for (auto* task : running_quota_tasks_)
+    task->Abort();
 }
 
 QuotaTaskObserver::QuotaTaskObserver() {
 }
 
 void QuotaTaskObserver::RegisterTask(QuotaTask* task) {
   running_quota_tasks_.insert(task);
 }
 
 void QuotaTaskObserver::UnregisterTask(QuotaTask* task) {
   DCHECK(running_quota_tasks_.find(task) != running_quota_tasks_.end());
   running_quota_tasks_.erase(task);
 }
 
 }  // namespace storage