Modernize on-demand update checks on Windows.

base/test/scoped_path_override.h

 // 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.
 
 #ifndef BASE_TEST_SCOPED_PATH_OVERRIDE_H_
 #define BASE_TEST_SCOPED_PATH_OVERRIDE_H_
 
 #include "base/basictypes.h"
 #include "base/files/scoped_temp_dir.h"
 
 namespace base {
 
 class FilePath;
 
 // Sets a path override on construction, and removes it when the object goes out
 // of scope. This class is intended to be used by tests that need to override
 // paths to ensure their overrides are properly handled and reverted when the
 // scope of the test is left.
 class ScopedPathOverride {
  public:
   // Contructor that initializes the override to a scoped temp directory.
   explicit ScopedPathOverride(int key);
+
   // Constructor that would use a path provided by the user.
   ScopedPathOverride(int key, const FilePath& dir);
+
+  // See PathService::OverrideAndCreateIfNeeded.
+  ScopedPathOverride(int key,
+                     const FilePath& path,
+                     bool is_absolute,
+                     bool create);
   ~ScopedPathOverride();
 
  private:
   int key_;
   ScopedTempDir temp_dir_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedPathOverride);
 };
 
 }  // namespace base
 
 #endif  // BASE_TEST_SCOPED_PATH_OVERRIDE_H_