Create variations target that depends on base.

chrome/chrome_browser_chromeos.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.
 
 {
   'targets': [
     {
       'target_name': 'browser_chromeos',
       'type': 'static_library',
@@ skipping 25 matching lines @@
         'common_net',
         'contacts_proto',
         'debugger',
         'device_policy_proto',
         'drive_proto',
         'feedback_proto',
         'in_memory_url_index_cache_proto',
         'installer_util',
         'safe_browsing_proto',
         'safe_browsing_report_proto',
-        'variations_seed_proto',
         '../breakpad/breakpad.gyp:breakpad_client',
         '../build/linux/system.gyp:dbus',
         '../chromeos/chromeos.gyp:chromeos',
         '../chromeos/chromeos.gyp:chromeos_memory',
         # browser_chromeos #includes power_supply_properties.pb.h directly.
         '../chromeos/chromeos.gyp:power_manager_proto',
         '../chromeos/ime/input_method.gyp:gencode',
         '../content/content.gyp:content_browser',
         '../content/content.gyp:content_common',
         '../crypto/crypto.gyp:crypto',
@@ skipping 920 matching lines @@
         'browser/chromeos/attestation/attestation_key_payload.proto',
       ],
       'variables': {
         'proto_in_dir': 'browser/chromeos/attestation',
         'proto_out_dir': 'chrome/browser/chromeos/attestation',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }