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

chrome/browser/chromeos/system/statistics_provider.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 "chrome/browser/chromeos/system/statistics_provider.h"
 
 #include "base/bind.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/memory/singleton.h"
 #include "base/synchronization/waitable_event.h"
-#include "base/task.h"
 #include "base/time.h"
 #include "chrome/browser/chromeos/system/name_value_pairs_parser.h"
 #include "chrome/browser/chromeos/system/runtime_environment.h"
 #include "chrome/common/chrome_version_info.h"
 #include "content/public/browser/browser_thread.h"
 
 using content::BrowserThread;
 
 namespace chromeos {
 namespace system {
@@ skipping 165 matching lines @@
 StatisticsProvider* StatisticsProvider::GetInstance() {
   if (system::runtime_environment::IsRunningOnChromeOS()) {
     return StatisticsProviderImpl::GetInstance();
   } else {
     return StatisticsProviderStubImpl::GetInstance();
   }
 }
 
 }  // namespace system
 }  // namespace chromeos