Revert of [Suggestions] Move ImageManager to the component

chrome/chrome_tests_unit.gypi

 # Copyright 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.
 {
   'variables': {
     'chrome_unit_tests_sources': [
       '../apps/app_shim/app_shim_host_mac_unittest.cc',
       '../apps/app_shim/extension_app_shim_handler_mac_unittest.cc',
       '../apps/saved_devices_service_unittest.cc',
       '../apps/saved_files_service_unittest.cc',
@@ skipping 678 matching lines @@
       'browser/safe_browsing/safe_browsing_util_unittest.cc',
       'browser/safe_browsing/two_phase_uploader_unittest.cc',
       'browser/search/hotword_service_unittest.cc',
       'browser/search/iframe_source_unittest.cc',
       'browser/search/instant_service_unittest.cc',
       'browser/search/instant_unittest_base.cc',
       'browser/search/instant_unittest_base.h',
       'browser/search/most_visited_iframe_source_unittest.cc',
       'browser/search/search_android_unittest.cc',
       'browser/search/search_unittest.cc',
+      'browser/search/suggestions/image_manager_impl_unittest.cc',
       'browser/search_engines/default_search_pref_migration_unittest.cc',
       'browser/search_engines/search_provider_install_data_unittest.cc',
       'browser/search_engines/template_url_scraper_unittest.cc',
       'browser/services/gcm/fake_signin_manager.cc',
       'browser/services/gcm/fake_signin_manager.h',
       'browser/services/gcm/gcm_account_tracker_unittest.cc',
       'browser/services/gcm/gcm_profile_service_unittest.cc',
       'browser/services/gcm/push_messaging_application_id_unittest.cc',
       'browser/sessions/persistent_tab_restore_service_unittest.cc',
       'browser/sessions/restore_on_startup_policy_handler_unittest.cc',
@@ skipping 2161 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }