Copy SourceProfile into ExternalProcessImporterClient instead of using a const& since the original …

chrome/browser/importer/external_process_importer_client.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_IMPORTER_EXTERNAL_PROCESS_IMPORTER_CLIENT_H_
 #define CHROME_BROWSER_IMPORTER_EXTERNAL_PROCESS_IMPORTER_CLIENT_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 99 matching lines @@
   // import data.  When the import process is done, process_importer_host_
   // deletes itself.
   ExternalProcessImporterHost* process_importer_host_;
 
   // Handles sending messages to the external process.  Deletes itself when
   // the external process dies (see
   // BrowserChildProcessHost::OnChildDisconnected).
   base::WeakPtr<content::UtilityProcessHost> utility_process_host_;
 
   // Data to be passed from the importer host to the external importer.
-  const importer::SourceProfile& source_profile_;
+  importer::SourceProfile source_profile_;
   uint16 items_;
 
   // Takes import data coming over IPC and delivers it to be written by the
   // ProfileWriter.
   scoped_refptr<InProcessImporterBridge> bridge_;
 
   // True if import process has been cancelled.
   bool cancelled_;
 
   DISALLOW_COPY_AND_ASSIGN(ExternalProcessImporterClient);
 };
 
 #endif  // CHROME_BROWSER_IMPORTER_EXTERNAL_PROCESS_IMPORTER_CLIENT_H_