Modernize on-demand update checks on Windows.

base/test/scoped_path_override.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.
 
 #include "base/test/scoped_path_override.h"
 
 #include "base/logging.h"
 #include "base/path_service.h"
 
 namespace base {
 
 ScopedPathOverride::ScopedPathOverride(int key) : key_(key) {
   bool result = temp_dir_.CreateUniqueTempDir();
   CHECK(result);
   result = PathService::Override(key, temp_dir_.path());
   CHECK(result);
 }
 
 ScopedPathOverride::ScopedPathOverride(int key, const base::FilePath& dir)
     : key_(key) {
   bool result = PathService::Override(key, dir);
   CHECK(result);
 }
 
+ScopedPathOverride::ScopedPathOverride(int key,
+                                       const FilePath& path,
+                                       bool is_absolute,
+                                       bool create)
+    : key_(key) {
+  bool result =
+      PathService::OverrideAndCreateIfNeeded(key, path, is_absolute, create);
+  CHECK(result);
+}
+
 ScopedPathOverride::~ScopedPathOverride() {
    bool result = PathService::RemoveOverride(key_);
    CHECK(result) << "The override seems to have been removed already!";
 }
 
 }  // namespace base