importer: Convert NSSDecryptor::Decrypt to string16.

chrome/browser/importer/nss_decryptor_win.h

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// 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_IMPORTER_NSS_DECRYPTOR_WIN_H_
 #define CHROME_BROWSER_IMPORTER_NSS_DECRYPTOR_WIN_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/native_library.h"
+#include "base/string16.h"
 
 // The following declarations of functions and types are from Firefox
 // NSS library.
 // source code:
 //   security/nss/lib/util/seccomon.h
 //   security/nss/lib/nss/nss.h
 // The license block is:
 
 /* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
@@ skipping 93 matching lines @@
   // Loads NSS3 library and returns true if successful.
   // |dll_path| indicates the location of NSS3 DLL files, and |db_path|
   // is the location of the database file that stores the keys.
   bool Init(const FilePath& dll_path, const FilePath& db_path);
 
   // Frees the libraries.
   void Free();
 
   // Decrypts Firefox stored passwords. Before using this method,
   // make sure Init() returns true.
-  std::wstring Decrypt(const std::string& crypt) const;
+  string16 Decrypt(const std::string& crypt) const;
 
   // Parses the Firefox password file content, decrypts the
   // username/password and reads other related information.
   // The result will be stored in |forms|.
   void ParseSignons(const std::string& content,
                     std::vector<webkit_glue::PasswordForm>* forms);
 
   // Reads and parses the Firefox password sqlite db, decrypts the
   // username/password and reads other related information.
   // The result will be stored in |forms|.
@@ skipping 31 matching lines @@
   base::NativeLibrary nss3_dll_;
   base::NativeLibrary softokn3_dll_;
 
   // True if NSS_Init() has been called
   bool is_nss_initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(NSSDecryptor);
 };
 
 #endif  // CHROME_BROWSER_IMPORTER_NSS_DECRYPTOR_WIN_H_