Move the mini_installer_version rule to its own gyp file.

chrome/installer/mini_installer.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 is meant to be included within a target dict to generate the
 # mini_installer, the embedder must provide the following variables:
 #   - chrome_dll_project: The target generating the main chrome DLLs.
 #   - chrome_dll_path: The path to the version of chrome.dll to put in the
 #       mini_installer.
 #   - The output directory for mini_installer.exe.
 {
   'type': 'executable',
   'dependencies': [
     '<@(chrome_dll_project)',
     '../chrome.gyp:chrome',
     '../chrome.gyp:chrome_nacl_win64',
     '../chrome.gyp:default_extensions',
     '../chrome.gyp:setup',
     'installer_tools.gyp:test_installer_sentinel',
+    'mini_installer_version.gyp:mini_installer_version',
   ],
   'include_dirs': [
     '../..',
     '<(INTERMEDIATE_DIR)',
     '<(SHARED_INTERMEDIATE_DIR)/chrome',
   ],
   'sources': [
     '<(INTERMEDIATE_DIR)/packed_files.rc',
     'mini_installer/appid.h',
     'mini_installer/chrome.release',
@@ skipping 98 matching lines @@
 
   # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
   'msvs_disabled_warnings': [ 4267, ],
 
   'variables': {
     # Opt out the common compatibility manifest to work around
     # crbug.com/272660.
     # TODO(yukawa): Enable the common compatibility manifest again.
     'win_exe_compatibility_manifest': '',
   },
-  'rules': [
-    {
-      'rule_name': 'mini_installer_version',
-      'extension': 'version',
-      'variables': {
-        'template_input_path': 'mini_installer/mini_installer_exe_version.rc.version',
-      },
-      'inputs': [
-        '<(template_input_path)',
-        '<(version_path)',
-        '<(lastchange_path)',
-        '<(branding_dir)/BRANDING',
-      ],
-      'outputs': [
-        '<(PRODUCT_DIR)/mini_installer_exe_version.rc',
-      ],
-      'action': [
-        'python', '<(version_py)',
-        '-f', '<(version_path)',
-        '-f', '<(lastchange_path)',
-        '-f', '<(branding_dir)/BRANDING',
-        '<(template_input_path)',
-        '<@(_outputs)',
-      ],
-      'process_outputs_as_sources': 1,
-      'message': 'Generating version information'
-    },
-  ],
   'actions': [
     {
       'action_name': 'installer_archive',
       'variables': {
         'create_installer_archive_py_path':
           '../tools/build/win/create_installer_archive.py',
       },
       'conditions': [
         ['enable_hidpi == 1', {
           'variables': {
@@ skipping 96 matching lines @@
       'message': 'Create installer archive',
     },
   ],
   'conditions': [
     ['OS=="win" and buildtype=="Official"', {
       # Optimize for size when doing an official build.
       'optimize' :'size',
     }],
   ],
 }