Integrate About page into Settings for Chrome OS settings in a window.

chrome/browser/ui/webui/help/help_utils.h

 // Copyright 2013 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_BROWSER_UI_WEBUI_HELP_HELP_UTILS_CHROMEOS_H_
-#define CHROME_BROWSER_UI_WEBUI_HELP_HELP_UTILS_CHROMEOS_H_
+#ifndef CHROME_BROWSER_UI_WEBUI_HELP_HELP_UTILS_H_
+#define CHROME_BROWSER_UI_WEBUI_HELP_HELP_UTILS_H_
 
 #include <string>
 
 #include "base/strings/string16.h"
 
-namespace help_utils_chromeos {
+namespace help_utils {
 
+// Returns the browser version as a string.
+base::string16 BuildBrowserVersionString();
+
+#if defined(OS_CHROMEOS)
 // Returns true if update over cellular networks is enabled.
 bool IsUpdateOverCellularAllowed();
 
 // Returns localized name for the connection |type|.
 base::string16 GetConnectionTypeAsUTF16(const std::string& type);
+#endif  // OS_CHROMEOS
 
-}  // namespace help_utils_chromeos
+}  // namespace help_utils
 
-#endif  // CHROME_BROWSER_UI_WEBUI_HELP_HELP_UTILS_CHROMEOS_H_
+#endif  // CHROME_BROWSER_UI_WEBUI_HELP_HELP_UTILS_H_