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

chrome/browser/printing/cloud_print/cloud_print_proxy_service.h

 // 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.
 
 #ifndef CHROME_BROWSER_PRINTING_CLOUD_PRINT_CLOUD_PRINT_PROXY_SERVICE_H_
 #define CHROME_BROWSER_PRINTING_CLOUD_PRINT_CLOUD_PRINT_PROXY_SERVICE_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
+#include "base/callback_forward.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
-#include "base/task.h"
 #include "chrome/browser/prefs/pref_change_registrar.h"
 #include "chrome/browser/printing/cloud_print/cloud_print_setup_handler.h"
 #include "chrome/browser/profiles/profile_keyed_service.h"
 #include "content/public/browser/notification_observer.h"
 
 class Profile;
 class ServiceProcessControl;
 
 namespace cloud_print {
 struct CloudPrintProxyInfo;
@@ skipping 73 matching lines @@
 
   base::WeakPtrFactory<CloudPrintProxyService> weak_factory_;
 
   // For watching for connector enablement policy changes.
   PrefChangeRegistrar pref_change_registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(CloudPrintProxyService);
 };
 
 #endif  // CHROME_BROWSER_PRINTING_CLOUD_PRINT_CLOUD_PRINT_PROXY_SERVICE_H_