Remove custom Task implementations from content/ppapi_plugin

content/ppapi_plugin/broker_process_dispatcher.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 "content/ppapi_plugin/broker_process_dispatcher.h"
 
+#include "base/bind.h"
+#include "base/bind_helpers.h"
 #include "content/common/child_process.h"
 
 namespace {
 
-class BrokerReleaseTask : public Task {
- public:
-  void Run() {
-    DVLOG(1) << "BrokerReleaseTask::Run()";
-    ChildProcess::current()->ReleaseProcess();
-  }
-};
-
 // How long we wait before releasing the broker process.
 const int kBrokerReleaseTimeMs = 30 * 1000;  // 30 seconds.
 
 }  // namespace
 
 BrokerProcessDispatcher::BrokerProcessDispatcher(
     base::ProcessHandle remote_process_handle,
     PP_ConnectInstance_Func connect_instance)
     : ppapi::proxy::BrokerSideDispatcher(remote_process_handle,
                                          connect_instance) {
   ChildProcess::current()->AddRefProcess();
 }
 
 BrokerProcessDispatcher::~BrokerProcessDispatcher() {
   DVLOG(1) << "BrokerProcessDispatcher::~BrokerProcessDispatcher()";
   // Don't free the process right away. This timer allows the child process
   // to be re-used if the user rapidly goes to a new page that requires this
   // plugin. This is the case for common plugins where they may be used on a
   // source and destination page of a navigation. We don't want to tear down
   // and re-start processes each time in these cases.
-  MessageLoop::current()->PostDelayedTask(FROM_HERE, new BrokerReleaseTask(),
-                                          kBrokerReleaseTimeMs);
+  MessageLoop::current()->PostDelayedTask(
+      FROM_HERE,
+      base::Bind(&ChildProcess::ReleaseProcess,
+                 base::Unretained(ChildProcess::current())),
+      kBrokerReleaseTimeMs);
 }