Added CopyRegKeyWorkItem in support of IE low rights policy fixes.

chrome/installer/util/registry_test_data.h

+// Copyright (c) 2011 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 CHROME_INSTALLER_UTIL_REGISTRY_TEST_DATA_H_
+#define CHROME_INSTALLER_UTIL_REGISTRY_TEST_DATA_H_
+#pragma once
+
+#include <windows.h>
+
+#include <string>
+
+#include "base/basictypes.h"
+
+// A helper class for use by unit tests that need some registry space and data.
+// BEWARE: Instances of this class irrevocably and recursively delete keys and
+// values from the registry.  Carefully read the comments for Initialize and
+// Reset before use.
+class RegistryTestData {
+ public:
+  RegistryTestData();
+  // Invokes Reset() on its way out.
+  ~RegistryTestData();
+
+  // Resets this instance, deletes the key rooted at |base_path|, and then
+  // populates |base_path| with:
+  // \EmptyKey
+  // \NonEmptyKey (default value = "|base_path|\NonEmptyKey")
+  // \NonEmptyKey\Subkey ("SomeValue" = DWORD 1)
+  bool Initialize(HKEY root_key, const wchar_t* base_path);
+
+  // Deletes the key rooted at base_path and clears all state.
+  void Reset();
+
+  // Fires Google Test expectations in the hopes that |path| contains the same
+  // data as originally placed in |non_empty_key| by Initialize().
+  void ExpectMatchesNonEmptyKey(HKEY root_key, const wchar_t* path);
+
+  HKEY root_key() const { return root_key_; }
+  const std::wstring& base_path() const { return base_path_; }
+  const std::wstring& empty_key_path() const { return empty_key_path_; }
+  const std::wstring& non_empty_key_path() const { return non_empty_key_path_; }
+
+  // Fires Google Test expectations in the hopes that |path| is an empty key
+  // (exists but has no values or subkeys).
+  static void ExpectEmptyKey(HKEY root_key, const wchar_t* path);
+
+ private:
+  static bool DeleteKey(HKEY root_key, const wchar_t* path);
+
+  HKEY root_key_;
+  std::wstring base_path_;
+  std::wstring empty_key_path_;
+  std::wstring non_empty_key_path_;
+
+  DISALLOW_COPY_AND_ASSIGN(RegistryTestData);
+};
+
+#endif  // CHROME_INSTALLER_UTIL_REGISTRY_TEST_DATA_H_