Move CancelableTaskTracker to //base/task/CancelableTaskTracker.

chrome/browser/ui/webui/options/certificate_manager_handler.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_UI_WEBUI_OPTIONS_CERTIFICATE_MANAGER_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_CERTIFICATE_MANAGER_HANDLER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
+#include "base/task/cancelable_task_tracker.h"
 #include "chrome/browser/certificate_manager_model.h"
 #include "chrome/browser/ui/webui/options/options_ui.h"
-#include "chrome/common/cancelable_task_tracker.h"
 #include "net/cert/nss_cert_database.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/shell_dialogs/select_file_dialog.h"
 
 namespace options {
 
 class CertIdMap;
 class FileAccessProvider;
 
 class CertificateManagerHandler
@@ skipping 142 matching lines @@
   // wait for file to be read, etc.
   base::FilePath file_path_;
   base::string16 password_;
   bool use_hardware_backed_;
   std::string file_data_;
   net::CertificateList selected_cert_list_;
   scoped_refptr<ui::SelectFileDialog> select_file_dialog_;
   scoped_refptr<net::CryptoModule> module_;
 
   // Used in reading and writing certificate files.
-  CancelableTaskTracker tracker_;
+  base::CancelableTaskTracker tracker_;
   scoped_refptr<FileAccessProvider> file_access_provider_;
 
   scoped_ptr<CertIdMap> cert_id_map_;
 
   base::WeakPtrFactory<CertificateManagerHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CertificateManagerHandler);
 };
 
 }  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CERTIFICATE_MANAGER_HANDLER_H_