Fail tests fast if overriding the Windows registry fails.

rlz/test/rlz_test_helpers.cc

 // Copyright (c) 2012 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.
 //
 // Main entry point for all unit tests.
 
 #include "rlz_test_helpers.h"
 
 #include <stddef.h>
 #include <stdint.h>
@@ skipping 97 matching lines @@
     // win32 APIs used by the tests continue to work:
     //
     //    HKLM\System\CurrentControlSet\Control\Lsa\AccessProviders
     //
     // This seems to be required since Win7.
     ReadRegistryTree(base::win::RegKey(HKEY_LOCAL_MACHINE,
                                        kHKLMAccessProviders,
                                        KEY_READ), &data);
   }
 
-  override_manager->OverrideRegistry(HKEY_LOCAL_MACHINE);
-  override_manager->OverrideRegistry(HKEY_CURRENT_USER);
+  ASSERT_NO_FATAL_FAILURE(
+      override_manager->OverrideRegistry(HKEY_LOCAL_MACHINE));
+  ASSERT_NO_FATAL_FAILURE(
+      override_manager->OverrideRegistry(HKEY_CURRENT_USER));
 
   if (do_copy) {
     base::win::RegKey key(
         HKEY_LOCAL_MACHINE, kHKLMAccessProviders, KEY_ALL_ACCESS);
     WriteRegistryTree(data, &key);
   }
 }
 
 }  // namespace
 
 #endif  // defined(OS_WIN)
 
 void RlzLibTestNoMachineStateHelper::SetUp() {
 #if defined(OS_WIN)
-  InitializeRegistryOverridesForTesting(&override_manager_);
+  ASSERT_NO_FATAL_FAILURE(
+      InitializeRegistryOverridesForTesting(&override_manager_));
 #elif defined(OS_MACOSX)
   base::mac::ScopedNSAutoreleasePool pool;
 #endif  // defined(OS_WIN)
 #if defined(OS_POSIX)
   ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
   rlz_lib::testing::SetRlzStoreDirectory(temp_dir_.GetPath());
 #endif  // defined(OS_POSIX)
 }
 
 void RlzLibTestNoMachineStateHelper::TearDown() {
 #if defined(OS_POSIX)
   rlz_lib::testing::SetRlzStoreDirectory(base::FilePath());
 #endif  // defined(OS_POSIX)
 }
 
 void RlzLibTestNoMachineState::SetUp() {
   m_rlz_test_helper_.SetUp();
 }
 
 void RlzLibTestNoMachineState::TearDown() {
   m_rlz_test_helper_.TearDown();
 }
 
 void RlzLibTestBase::SetUp() {
   RlzLibTestNoMachineState::SetUp();
 #if defined(OS_WIN)
   rlz_lib::CreateMachineState();
 #endif  // defined(OS_WIN)
 }