Add enum entry for Windows 10 RS2 (Creators Update)

base/win/windows_version.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_WIN_WINDOWS_VERSION_H_
 #define BASE_WIN_WINDOWS_VERSION_H_
 
 #include <stddef.h>
 
 #include <string>
@@ skipping 16 matching lines @@
 enum Version {
   VERSION_PRE_XP = 0,  // Not supported.
   VERSION_XP = 1,
   VERSION_SERVER_2003 = 2,  // Also includes XP Pro x64 and Server 2003 R2.
   VERSION_VISTA = 3,        // Also includes Windows Server 2008.
   VERSION_WIN7 = 4,         // Also includes Windows Server 2008 R2.
   VERSION_WIN8 = 5,         // Also includes Windows Server 2012.
   VERSION_WIN8_1 = 6,       // Also includes Windows Server 2012 R2.
   VERSION_WIN10 = 7,        // Also includes Windows 10 Server.
   VERSION_WIN10_TH2 = 8,    // Threshold 2: Version 1511, Build 10586.
-  VERSION_WIN10_R1 = 9,     // Redstone 1: Version 1607, Build 14393.
+  VERSION_WIN10_RS1 = 9,    // Redstone 1: Version 1607, Build 14393.
+  VERSION_WIN10_RS2 = 10,   // Redstone 2: Version 1703, Build 15063.
   VERSION_WIN_LAST,         // Indicates error condition.
 };
 
 // A rough bucketing of the available types of versions of Windows. This is used
 // to distinguish enterprise enabled versions from home versions and potentially
 // server versions.
 enum VersionType {
   SUITE_HOME,
   SUITE_PROFESSIONAL,
   SUITE_SERVER,
@@ skipping 84 matching lines @@
 };
 
 // Because this is by far the most commonly-requested value from the above
 // singleton, we add a global-scope accessor here as syntactic sugar.
 BASE_EXPORT Version GetVersion();
 
 }  // namespace win
 }  // namespace base
 
 #endif  // BASE_WIN_WINDOWS_VERSION_H_