Revert everything related to the relanding.

chrome/browser/profile_import_process_host.h

 // Copyright (c) 2010 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_PROFILE_IMPORT_PROCESS_HOST_H_
 #define CHROME_BROWSER_PROFILE_IMPORT_PROCESS_HOST_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/ref_counted.h"
+#include "base/task.h"
 #include "base/values.h"
 #include "chrome/browser/browser_child_process_host.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/history/history_types.h"
 #include "chrome/browser/importer/importer_data_types.h"
 #include "chrome/browser/importer/profile_writer.h"
 #include "ipc/ipc_channel.h"
 
 namespace webkit_glue {
 struct PasswordForm;
@@ skipping 112 matching lines @@
   // Receives messages to be passed back to the importer host.
   scoped_refptr<ImportProcessClient> import_process_client_;
 
   // The thread where the import_process_client_ lives.
   ChromeThread::ID thread_id_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileImportProcessHost);
 };
 
 #endif  // CHROME_BROWSER_PROFILE_IMPORT_PROCESS_HOST_H_