Add cr_policy_indicator for settings controls

chrome/browser/resources/settings/prefs/compiled_resources.gyp

 # Copyright 2014 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': 'checkbox',
+      'target_name': 'prefs',
       'variables': {
+        'depends': [
+          '../../../../../ui/webui/resources/js/assert.js',
+          'prefs_types.js',
+        ],
         'externs': [
           '../../../../../third_party/closure_compiler/externs/settings_private.js'
         ],
       },
       'includes': ['../../../../../third_party/closure_compiler/compile_js.gypi'],
     },
   ],
 }