just some of possible refactorings possible after inventing branding_path_component

chrome/installer/installer_tools.gyp

 # Copyright (c) 2011 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.
 
 {
   'variables': {
     'version_py': '<(DEPTH)/build/util/version.py',
     'version_path': '<(DEPTH)/chrome/VERSION',
     'lastchange_path': '<(DEPTH)/build/util/LASTCHANGE',
-    # 'branding_dir' is set in the 'conditions' section at the bottom.
+    'branding_dir': '<(DEPTH)/chrome/app/theme/<(branding_path_component)',
     'msvs_use_common_release': 0,
     'msvs_use_common_linker_extras': 0,
   },
   'conditions': [
     ['OS=="win"', {
       'targets': [
         {
           'target_name': 'validate_installation',
           'type': 'executable',
           'dependencies': [
             '<(DEPTH)/base/base.gyp:base',
             '<(DEPTH)/chrome/chrome.gyp:installer_util',
             '<(DEPTH)/chrome/chrome.gyp:installer_util_strings',
             '<(DEPTH)/chrome/common_constants.gyp:common_constants',
           ],
           'include_dirs': [
             '<(DEPTH)',
           ],
           'sources': [
             'tools/validate_installation.rc',
             'tools/validate_installation_main.cc',
             'tools/validate_installation_resource.h',
           ],
         },
       ],
     }],
-    [ 'branding == "Chrome"', {
-      'variables': {
-         'branding_dir': '<(DEPTH)/chrome/app/theme/google_chrome',
-      },
-    }, { # else branding!="Chrome"
-      'variables': {
-         'branding_dir': '<(DEPTH)/chrome/app/theme/chromium',
-      },
-    }],
   ],
 }