bookmarks: Cleanup, remove BookmarkModelTestUtils class.

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 527 matching lines @@
         'browser/autocomplete/search_provider_unittest.cc',
         'browser/autocomplete/shortcuts_provider_unittest.cc',
         'browser/automation/chrome_frame_automation_provider_win_unittest.cc',
         'browser/background/background_application_list_model_unittest.cc',
         'browser/background/background_contents_service_unittest.cc',
         'browser/background/background_mode_manager_unittest.cc',
         'browser/bookmarks/bookmark_codec_unittest.cc',
         'browser/bookmarks/bookmark_expanded_state_tracker_unittest.cc',
         'browser/bookmarks/bookmark_html_writer_unittest.cc',
         'browser/bookmarks/bookmark_index_unittest.cc',
-        'browser/bookmarks/bookmark_model_test_utils.cc',
-        'browser/bookmarks/bookmark_model_test_utils.h',
         'browser/bookmarks/bookmark_model_unittest.cc',
         'browser/bookmarks/bookmark_node_data_unittest.cc',
         'browser/bookmarks/bookmark_utils_unittest.cc',
         'browser/browser_about_handler_unittest.cc',
         'browser/browser_commands_unittest.cc',
         'browser/browsing_data/browsing_data_appcache_helper_unittest.cc',
         'browser/browsing_data/browsing_data_cookie_helper_unittest.cc',
         'browser/browsing_data/browsing_data_database_helper_unittest.cc',
         'browser/browsing_data/browsing_data_file_system_helper_unittest.cc',
         'browser/browsing_data/browsing_data_helper_unittest.cc',
@@ skipping 2225 matching lines @@
               # more details.
               'DebugInformationFormat': '3',
               'ProgramDataBaseFileName': '<(PRODUCT_DIR)/unit_tests.exe.pdb',
             },
           },
         },
       ],
     }],
   ],  # 'conditions'
 }