Porting refactoring changes:...

chrome/common/env_util.h

-// Copyright (c) 2006-2008 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.
-
-// This file defines utility functions that can report details about the
-// host operating environment.
-
-#ifndef CHROME_COMMON_ENV_UTIL_H__
-#define CHROME_COMMON_ENV_UTIL_H__
-
-#include <windows.h>
-#include <string>
-
-namespace env_util {
-
-// Test if the given environment variable is defined.
-inline bool HasEnvironmentVariable(const wchar_t* var) {
-  return GetEnvironmentVariable(var, NULL, 0) != 0;
-}
-
-// Returns the name of the host operating system.
-std::string GetOperatingSystemName();
-
-// Returns the version of the host operating system.
-std::string GetOperatingSystemVersion();
-
-// Returns the CPU architecture of the system.
-std::string GetCPUArchitecture();
-
-// Returns the pixel dimensions of the primary display via the
-// width and height parameters.
-void GetPrimaryDisplayDimensions(int* width, int* height);
-
-// Return the number of displays.
-int GetDisplayCount();
-
-}  // namespace env_util
-
-#endif  // CHROME_COMMON_ENV_UTIL_H__
-