Fail tests fast if overriding the Windows registry fails.

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 <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 165 matching lines @@
   EXPECT_EQ(std::string(kTestExportName),
             process_report.module_state(0).modification(0).export_name());
 #endif
 }
 #endif  // _WIN64
 
 TEST(SafeBrowsingEnvironmentDataCollectionWinTest, CollectRegistryData) {
   // Ensure that all values and subkeys from the specified registry keys are
   // correctly stored in the report.
   registry_util::RegistryOverrideManager override_manager;
-  override_manager.OverrideRegistry(HKEY_CURRENT_USER);
+  ASSERT_NO_FATAL_FAILURE(override_manager.OverrideRegistry(HKEY_CURRENT_USER));
 
   const wchar_t kRootKey[] = L"Software\\TestKey";
   const RegistryKeyInfo kRegKeysToCollect[] = {
       {HKEY_CURRENT_USER, kRootKey},
   };
   const wchar_t kSubKey[] = L"SubKey";
 
   // Check that if the key is not there, then the proto is left empty.
   google::protobuf::RepeatedPtrField<
       ClientIncidentReport_EnvironmentData_OS_RegistryKey> registry_data_pb;
@@ skipping 66 matching lines @@
 TEST(SafeBrowsingEnvironmentDataCollectionWinTest,
      CollectDomainEnrollmentData) {
   // The test may or may not be running on a domain-enrolled machine, so all we
   // can check is that some value is filled in.
   ClientIncidentReport_EnvironmentData_OS os_data;
   CollectDomainEnrollmentData(&os_data);
   EXPECT_TRUE(os_data.has_is_enrolled_to_domain());
 }
 
 }  // namespace safe_browsing