Move OmniboxFieldTrial to components

components/omnibox.gypi

 # 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': [
     {
       # GN version: //components/omnibox
       'target_name': 'omnibox',
       'type': 'static_library',
       'dependencies': [
         '../base/base.gyp:base',
         '../net/net.gyp:net',
         '../url/url.gyp:url_lib',
+        'search',
         'search_engines',
+        'variations',
         'component_metrics_proto',
         'components_resources.gyp:components_resources',
         'url_fixer',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         # Note: sources list duplicated in GN build.
         'omnibox/autocomplete_input.cc',
         'omnibox/autocomplete_input.h',
         'omnibox/autocomplete_match.cc',
         'omnibox/autocomplete_match.h',
         'omnibox/autocomplete_match_type.cc',
         'omnibox/autocomplete_match_type.h',
         'omnibox/autocomplete_provider.cc',
         'omnibox/autocomplete_provider.h',
         'omnibox/autocomplete_provider_listener.h',
         'omnibox/autocomplete_scheme_classifier.h',
+        'omnibox/omnibox_field_trial.cc',
+        'omnibox/omnibox_field_trial.h',
+        'omnibox/omnibox_switches.cc',
+        'omnibox/omnibox_switches.h',
         'omnibox/search_suggestion_parser.cc',
         'omnibox/search_suggestion_parser.h',
         'omnibox/url_prefix.cc',
         'omnibox/url_prefix.h',
       ],
     },
     {
       # GN version: //components/omnibox:test_support
       'target_name': 'omnibox_test_support',
       'type': 'static_library',
       'dependencies': [
         '../base/base.gyp:base',
         'omnibox',
         'component_metrics_proto',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         # Note: sources list duplicated in GN build.
         'omnibox/test_scheme_classifier.cc',
         'omnibox/test_scheme_classifier.h',
       ],
     },
   ],
 }