components: Extract pref_registry component out of user_prefs.

components/autofill.gypi

 # Copyright (c) 2013 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': [
     {
       # Private target only used in components/autofill.
       'target_name': 'autofill_regexes',
       'type': 'none',
@@ skipping 89 matching lines @@
         '../third_party/libphonenumber/libphonenumber.gyp:libphonenumber',
         '../ui/base/ui_base.gyp:ui_base',
         '../ui/gfx/gfx.gyp:gfx',
         '../ui/gfx/gfx.gyp:gfx_geometry',
         '../url/url.gyp:url_lib',
         'autofill_core_common',
         'autofill_regexes',
         'components_resources.gyp:components_resources',
         'components_strings.gyp:components_strings',
         'os_crypt',
-        'user_prefs',
+        'pref_registry',
         'webdata_common',
       ],
       'sources': [
         'autofill/core/browser/address.cc',
         'autofill/core/browser/address.h',
         'autofill/core/browser/address_field.cc',
         'autofill/core/browser/address_field.h',
         'autofill/core/browser/autocomplete_history_manager.cc',
         'autofill/core/browser/autocomplete_history_manager.h',
         'autofill/core/browser/autofill-inl.h',
@@ skipping 338 matching lines @@
           'variables': {
             'jni_gen_package': 'autofill',
             'jni_generator_ptr_type': 'long',
           },
           'includes': [ '../build/jni_generator.gypi' ],
         },
       ],
     }],
   ],
 }