Include wifi_component only when in Win or Mac platforms.

chrome/chrome.gyp

 # 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.
 {
   'variables': {
     'chromium_code': 1,
 
     # Define the common dependencies that contain all the actual
     # Chromium functionality.  This list gets pulled in below by
     # the link of the actual chrome (or chromium) executable on
@@ skipping 219 matching lines @@
             '<(grit_out_dir)',
           ],
         },
         {
           'target_name': 'utility',
           'type': 'static_library',
           'variables': { 'enable_wexit_time_destructors': 1, },
           'dependencies': [
             'common/extensions/api/api.gyp:chrome_api',
             '../base/base.gyp:base',
-            '../components/components.gyp:wifi_component',
             '../components/components_strings.gyp:components_strings',
             '../content/content.gyp:content_common',
             '../content/content.gyp:content_utility',
             '../media/media.gyp:media',
             '../skia/skia.gyp:skia',
             '../third_party/libexif/libexif.gyp:libexif',
             '../third_party/libxml/libxml.gyp:libxml',
             'common',
             '<(DEPTH)/chrome/chrome_resources.gyp:chrome_resources',
             '<(DEPTH)/chrome/chrome_resources.gyp:chrome_strings',
@@ skipping 55 matching lines @@
           ],
           'include_dirs': [
             '..',
             '<(grit_out_dir)',
           ],
           'export_dependent_settings': [
             'common/extensions/api/api.gyp:chrome_api',
           ],
           'conditions': [
             ['OS=="win" or OS=="mac"', {
+              'dependencies': [
+                '../components/components.gyp:wifi_component',
+              ],
               'sources': [
                 'utility/media_galleries/iapps_xml_utils.cc',
                 'utility/media_galleries/iapps_xml_utils.h',
                 'utility/media_galleries/itunes_library_parser.cc',
                 'utility/media_galleries/itunes_library_parser.h',
                 'utility/media_galleries/picasa_album_table_reader.cc',
                 'utility/media_galleries/picasa_album_table_reader.h',
                 'utility/media_galleries/picasa_albums_indexer.cc',
                 'utility/media_galleries/picasa_albums_indexer.h',
                 'utility/media_galleries/pmp_column_reader.cc',
@@ skipping 753 matching lines @@
               'sources': [
                 'service/cloud_print/print_system_dummy.cc',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }