Add cloud_print to the GN build.

chrome/version_resource_rules.gypi

 # 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.
 
 # This file defines rules that allow you to generate version resources for
 # Windows images.
+#
+# GN: Use the "process_version" template in //chrome/version.gni.
+# For an example, see the target //chrome:chrome_exe_version
 
 # Include 'version.gypi' at the top of your GYP file to define
 # the required variables:
 #
 #  'includes': [
 #    '<(DEPTH)/build/util/version.gypi',
 #  ],
 #
 # Then include this rule file in a productname_resources target:
 #
@@ skipping 41 matching lines @@
         '-f', '<(branding_path)',
         '-f', '<(lastchange_path)',
         '<@(extra_variable_files_arguments)',
         '<(template_input_path)',
         '<@(_outputs)',
       ],
       'message': 'Generating version information in <@(_outputs)'
     },
   ],
 }