Split NSSDecryptor out into platform specific files....

chrome/browser/importer/nss_decryptor_linux.h

+// Copyright (c) 2009 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_LINUX_H_
+#define CHROME_BROWSER_IMPORTER_NSS_DECRYPTOR_LINUX_H_
+
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+
+namespace webkit_glue {
+struct PasswordForm;
+}
+
+// A wrapper for Firefox NSS decrypt component.
+class NSSDecryptor {
+ public:
+  NSSDecryptor();
+  ~NSSDecryptor();
+
+  // Initializes NSS if it hasn't already been initialized.
+  bool Init(const std::wstring& /* dll_path */,
+            const std::wstring& /* db_path */);
+
+  // Decrypts Firefox stored passwords. Before using this method,
+  // make sure Init() returns true.
+  std::wstring 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);
+
+ private:
+  bool is_nss_initialized_;
+
+  DISALLOW_COPY_AND_ASSIGN(NSSDecryptor);
+};
+
+#endif  // CHROME_BROWSER_IMPORTER_NSS_DECRYPTOR_LINUX_H_