Fail tests fast if overriding the Windows registry fails.

chrome/installer/util/scoped_user_protocol_entry_unittest.cc

 // Copyright 2015 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/installer/util/scoped_user_protocol_entry.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/strings/string16.h"
 #include "base/test/test_reg_util_win.h"
 #include "base/win/registry.h"
 #include "chrome/installer/util/registry_entry.h"
 #include "chrome/installer/util/shell_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 class ScopedUserProtocolEntryTest : public testing::Test {
  protected:
   static const wchar_t kProtocolEntryKeyPath[];
   static const wchar_t kProtocolEntrySubKeyPath[];
   static const wchar_t kProtocolEntryName[];
   static const wchar_t kProtocolEntryFakeName[];
   static const wchar_t kProtocolEntryFakeValue[];
 
   void SetUp() override {
-    registry_overrides_manager_.OverrideRegistry(HKEY_CURRENT_USER);
+    ASSERT_NO_FATAL_FAILURE(
+        registry_overrides_manager_.OverrideRegistry(HKEY_CURRENT_USER));
     ASSERT_FALSE(RegistryEntry(kProtocolEntryKeyPath, kProtocolEntryName,
                                base::string16())
                      .KeyExistsInRegistry(RegistryEntry::LOOK_IN_HKCU));
   }
 
   void CreateNewRegistryValue(const base::string16& key_path,
                               const base::string16& name,
                               const base::string16& value) {
     ScopedVector<RegistryEntry> entries;
     entries.push_back(new RegistryEntry(key_path, name, value));
@@ skipping 82 matching lines @@
 
 TEST_F(ScopedUserProtocolEntryTest, KeyHasBeenDeletedByOthersTest) {
   CreateScopedUserProtocolEntryAndVerifyRegistryValue(base::string16());
   base::win::RegKey key(HKEY_CURRENT_USER, L"", KEY_WRITE);
   EXPECT_EQ(ERROR_SUCCESS, key.DeleteKey(kProtocolEntryKeyPath));
   entry_.reset();
   ASSERT_FALSE(
       RegistryEntry(kProtocolEntryKeyPath, kProtocolEntryName, base::string16())
           .KeyExistsInRegistry(RegistryEntry::LOOK_IN_HKCU));
 }