[Suggestions] Rename ThumbnailManager to ImageManagerImpl

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.
 {
   'targets': [
     {
       # This target contains mocks and test utilities that don't belong in
       # production libraries but are used by more than one test executable.
       'target_name': 'test_support_common',
       'type': 'static_library',
@@ skipping 1219 matching lines @@
         'browser/safe_browsing/tracked_preference_incident_handlers_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/thumbnail_manager_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_fetcher_unittest.cc',
         'browser/search_engines/template_url_parser_unittest.cc',
         'browser/search_engines/template_url_service_sync_unittest.cc',
         'browser/search_engines/template_url_service_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',
@@ skipping 1620 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }