Split NSSDecryptor out into platform specific files....

chrome/browser/importer/nss_decryptor_linux.cc

+// 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.
+
+#include "chrome/browser/importer/nss_decryptor_linux.h"
+
+#include "base/nss_init.h"
+
+NSSDecryptor::NSSDecryptor() : is_nss_initialized_(false) {}
+NSSDecryptor::~NSSDecryptor() {}
+
+bool NSSDecryptor::Init(const std::wstring& /* dll_path */,
+                        const std::wstring& /* db_path */) {
+  base::EnsureNSSInit();
+  is_nss_initialized_ = true;
+  return true;
+}