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

chrome/service/cloud_print/print_system_cups.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/service/cloud_print/print_system.h"
 
 #include <cups/cups.h>
 #include <dlfcn.h>
 #include <errno.h>
 #include <pthread.h>
 
 #include <algorithm>
 #include <list>
 #include <map>
 
 #include "base/bind.h"
 #include "base/file_path.h"
 #include "base/json/json_reader.h"
 #include "base/logging.h"
 #include "base/md5.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/rand_util.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
-#include "base/task.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/service/cloud_print/cloud_print_consts.h"
 #include "chrome/service/cloud_print/cloud_print_helpers.h"
 #include "googleurl/src/gurl.h"
 #include "grit/generated_resources.h"
 #include "printing/backend/cups_helper.h"
 #include "printing/backend/print_backend.h"
 #include "printing/backend/print_backend_consts.h"
 #include "ui/base/l10n/l10n_util.h"
@@ skipping 780 matching lines @@
 
 void PrintSystemCUPS::RunCapsCallback(
     const PrinterCapsAndDefaultsCallback& callback,
     bool succeeded,
     const std::string& printer_name,
     const printing::PrinterCapsAndDefaults& printer_info) {
   callback.Run(succeeded, printer_name, printer_info);
 }
 
 }  // namespace cloud_print