Fail tests fast if overriding the Windows registry fails.

chrome/installer/gcapi/gcapi_test_registry_overrider.cc

Index: chrome/installer/gcapi/gcapi_test_registry_overrider.cc
diff --git a/chrome/installer/gcapi/gcapi_test_registry_overrider.cc b/chrome/installer/gcapi/gcapi_test_registry_overrider.cc
deleted file mode 100644
index ef97da36e1ecacb8bb598e8293a4229a895d39a1..0000000000000000000000000000000000000000
--- a/chrome/installer/gcapi/gcapi_test_registry_overrider.cc
+++ /dev/null
@@ -1,18 +0,0 @@
-// Copyright 2013 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/gcapi/gcapi_test_registry_overrider.h"
-
-#include "base/guid.h"
-#include "base/strings/string16.h"
-#include "base/strings/utf_string_conversions.h"
-
-GCAPITestRegistryOverrider::GCAPITestRegistryOverrider() {
-  // Override keys - this is undone during destruction.
-  override_manager_.OverrideRegistry(HKEY_CURRENT_USER);
-  override_manager_.OverrideRegistry(HKEY_LOCAL_MACHINE);
-}
-
-GCAPITestRegistryOverrider::~GCAPITestRegistryOverrider() {
-}