Remove task.h and finish base::Bind() migration.

chrome/browser/chromeos/net/network_change_notifier_chromeos.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_NET_NETWORK_CHANGE_NOTIFIER_CHROMEOS_H_
 #define CHROME_BROWSER_CHROMEOS_NET_NETWORK_CHANGE_NOTIFIER_CHROMEOS_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
-#include "base/task.h"
+#include "base/memory/weak_ptr.h"
 #include "chrome/browser/chromeos/cros/network_library.h"
 #include "chrome/browser/chromeos/dbus/power_manager_client.h"
 #include "net/base/network_change_notifier.h"
 
 namespace chromeos {
 
 class OnlineStatusReportThreadTask;
 
 class NetworkChangeNotifierChromeos
     : public net::NetworkChangeNotifier,
@@ skipping 59 matching lines @@
   // The last reported online state.
   bool is_online_;
   base::WeakPtrFactory<NetworkChangeNotifierChromeos> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkChangeNotifierChromeos);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_NET_NETWORK_CHANGE_NOTIFIER_CHROMEOS_H_