Clean up unused param in RegistryOverrideManager

chrome/browser/safe_browsing/incident_reporting/environment_data_collection_win_unittest.cc

 // Copyright 2014 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/safe_browsing/incident_reporting/environment_data_collection_win.h"
 
 #include <string>
 
 #include "base/base_paths.h"
 #include "base/files/file_path.h"
@@ skipping 109 matching lines @@
   if (DllEntryContainsLspFeature(process_report, lsp))
     return;
 
   FAIL() << "No LSP feature found for " << lsp;
 }
 
 TEST(SafeBrowsingEnvironmentDataCollectionWinTest, CollectDllBlacklistData) {
   // Ensure that CollectDllBlacklistData correctly adds the set of sanitized dll
   // names currently stored in the registry to the report.
   registry_util::RegistryOverrideManager override_manager;
-  override_manager.OverrideRegistry(HKEY_CURRENT_USER, L"safe_browsing_test");
+  override_manager.OverrideRegistry(HKEY_CURRENT_USER);
 
   base::win::RegKey blacklist_registry_key(HKEY_CURRENT_USER,
                                            blacklist::kRegistryFinchListPath,
                                            KEY_QUERY_VALUE | KEY_SET_VALUE);
 
   // Check that with an empty registry the blacklisted dlls field is left empty.
   safe_browsing::ClientIncidentReport_EnvironmentData_Process process_report;
   safe_browsing::CollectDllBlacklistData(&process_report);
   EXPECT_EQ(0, process_report.blacklisted_dll_size());
 
@@ skipping 69 matching lines @@
   EXPECT_EQ(base::WideToUTF8(std::wstring(safe_browsing::kTestDllNames[0])),
             process_report.module_state(0).name());
   EXPECT_EQ(
       safe_browsing::ClientIncidentReport_EnvironmentData_Process_ModuleState::
           MODULE_STATE_MODIFIED,
       process_report.module_state(0).modified_state());
   EXPECT_EQ(1, process_report.module_state(0).modified_export_size());
   EXPECT_EQ(std::string(safe_browsing::kTestExportName),
             process_report.module_state(0).modified_export(0));
 }