Move prepopulated_engines to components/search_engines

components/search_engines.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': [
     {
       'target_name': 'search_engines',
       'type': 'static_library',
       'dependencies': [
         '../base/base.gyp:base',
         '../url/url.gyp:url_lib',
+        'search_engines/prepopulated_engines.gyp:prepopulated_engines',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
+        'search_engines/search_engine_type.h',
         'search_engines/template_url_data.cc',
         'search_engines/template_url_data.h',
         'search_engines/template_url_id.h',
       ],
     },
   ],
 }