Clean up unused param in RegistryOverrideManager

chrome/browser/extensions/api/messaging/native_messaging_test_util.cc

 // Copyright 2013 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/extensions/api/messaging/native_messaging_test_util.h"
 
 #include "base/files/file_path.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
@@ skipping 57 matching lines @@
   ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
   ScopedTestNativeMessagingHost test_host;
 
   base::FilePath test_user_data_dir;
   ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &test_user_data_dir));
   test_user_data_dir = test_user_data_dir.AppendASCII("native_messaging")
                            .AppendASCII("native_hosts");
 
 #if defined(OS_WIN)
   HKEY root_key = user_level ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE;
-  registry_override_.OverrideRegistry(root_key, L"native_messaging");
+  registry_override_.OverrideRegistry(root_key);
 #else
   path_override_.reset(new base::ScopedPathOverride(
       user_level ? chrome::DIR_USER_NATIVE_MESSAGING
                  : chrome::DIR_NATIVE_MESSAGING,
       temp_dir_.path()));
 #endif
 
 #if defined(OS_POSIX)
   base::FilePath host_path = test_user_data_dir.AppendASCII("echo.py");
 #else
   base::FilePath host_path = test_user_data_dir.AppendASCII("echo.bat");
 #endif
   ASSERT_NO_FATAL_FAILURE(WriteTestNativeHostManifest(
       temp_dir_.path(), kHostName, host_path, user_level));
 
   ASSERT_NO_FATAL_FAILURE(WriteTestNativeHostManifest(
       temp_dir_.path(), kBinaryMissingHostName,
       test_user_data_dir.AppendASCII("missing_nm_binary.exe"), user_level));
 }
 
 ScopedTestNativeMessagingHost::~ScopedTestNativeMessagingHost() {}
 
 }  // namespace extensions