Fail tests fast if overriding the Windows registry fails.

chrome/browser/google/google_update_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/google/google_update_win.h"
 
 #include <windows.h>
 #include <atlbase.h>
 #include <atlcom.h>
 
@@ skipping 542 matching lines @@
     program_files_override_.reset(
         new base::ScopedPathOverride(base::DIR_PROGRAM_FILES, temp));
     PathService::Get(base::DIR_PROGRAM_FILESX86, &temp);
     program_files_x86_override_.reset(
         new base::ScopedPathOverride(base::DIR_PROGRAM_FILESX86, temp));
     PathService::Get(base::DIR_LOCAL_APP_DATA, &temp);
     local_app_data_override_.reset(
         new base::ScopedPathOverride(base::DIR_LOCAL_APP_DATA, temp));
 
     // Override the registry so that tests can freely push state to it.
-    registry_override_manager_.OverrideRegistry(HKEY_CURRENT_USER);
-    registry_override_manager_.OverrideRegistry(HKEY_LOCAL_MACHINE);
+    ASSERT_NO_FATAL_FAILURE(
+        registry_override_manager_.OverrideRegistry(HKEY_CURRENT_USER));
+    ASSERT_NO_FATAL_FAILURE(
+        registry_override_manager_.OverrideRegistry(HKEY_LOCAL_MACHINE));
 
     // Chrome is installed.
     const HKEY root =
         system_level_install_ ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
     base::win::RegKey key(root, kClients, KEY_WRITE | KEY_WOW64_32KEY);
     ASSERT_EQ(ERROR_SUCCESS,
               key.CreateKey(kChromeGuid, KEY_WRITE | KEY_WOW64_32KEY));
     ASSERT_EQ(ERROR_SUCCESS,
               key.WriteValue(
                   L"pv", base::ASCIIToUTF16(CHROME_VERSION_STRING).c_str()));
@@ skipping 430 matching lines @@
   BeginUpdateCheck(task_runner_, std::string(), true, 0,
                    mock_update_check_delegate_.AsWeakPtr());
   BeginUpdateCheck(task_runner_, std::string(), true, 0,
                    mock_update_check_delegate_2.AsWeakPtr());
   task_runner_->RunUntilIdle();
 }
 
 INSTANTIATE_TEST_CASE_P(UserLevel, GoogleUpdateWinTest, Values(false));
 
 INSTANTIATE_TEST_CASE_P(SystemLevel, GoogleUpdateWinTest, Values(true));