Add infrastructure enabling tests of installer upgrade scenarios....

chrome/installer/test/resource_loader.h

+// Copyright (c) 2010 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.
+
+// A helper class for loading resources out of portable executable files.
+
+#ifndef CHROME_INSTALLER_TEST_RESOURCE_LOADER_H_
+#define CHROME_INSTALLER_TEST_RESOURCE_LOADER_H_
+#pragma once
+
+#include <windows.h>
+
+#include <string>
+#include <utility>
+
+#include "base/basictypes.h"
+
+class FilePath;
+
+namespace upgrade_test {
+
+// Loads resources in a PE image file.
+class ResourceLoader {
+ public:
+  ResourceLoader();
+  ~ResourceLoader();
+
+  // Loads |pe_image_path| in preparation for loading its resources.
+  bool Initialize(const FilePath& pe_image_path);
+
+  // Places the address and size of the resource |name| of |type| into
+  // |resource_data|, returning true on success.  The address of the resource is
+  // valid only until this instance is destroyed.
+  bool Load(const std::wstring& name, const std::wstring& type,
+            std::pair<const uint8*, DWORD>* resource_data);
+
+  // Places the address and size of the resource |id| of |type| into
+  // |resource_data|, returning true on success.  The address of the resource is
+  // valid only until this instance is destroyed.
+  bool Load(WORD id, WORD type, std::pair<const uint8*, DWORD>* resource_data);
+
+ private:
+  HMODULE module_;
+  DISALLOW_COPY_AND_ASSIGN(ResourceLoader);
+};  // class ResourceLoader
+
+}  // namespace upgrade_test
+
+#endif  // CHROME_INSTALLER_TEST_RESOURCE_LOADER_H_