Move CloseHandle hook into base/debug.

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': [
       # histograms.xml is analyzed by AboutFlagsHistogramTest, so this
       # dependency is needed to make commit bots run unit_tests on
       # histograms.xml changes.
       '../tools/metrics/histograms/histograms.xml',
@@ skipping 1707 matching lines @@
       'export_dependent_settings': [
         '../base/base.gyp:test_support_base',
         '../content/content_shell_and_tests.gyp:test_support_content',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         'app/chrome_main_delegate.cc',
         'app/chrome_main_delegate.h',
-        'app/close_handle_hook_win.cc',
-        'app/close_handle_hook_win.h',
         'browser/browsing_data/mock_browsing_data_appcache_helper.cc',
         'browser/browsing_data/mock_browsing_data_appcache_helper.h',
         'browser/browsing_data/mock_browsing_data_cache_storage_helper.cc',
         'browser/browsing_data/mock_browsing_data_cache_storage_helper.h',
         'browser/browsing_data/mock_browsing_data_channel_id_helper.cc',
         'browser/browsing_data/mock_browsing_data_channel_id_helper.h',
         'browser/browsing_data/mock_browsing_data_cookie_helper.cc',
         'browser/browsing_data/mock_browsing_data_cookie_helper.h',
         'browser/browsing_data/mock_browsing_data_database_helper.cc',
         'browser/browsing_data/mock_browsing_data_database_helper.h',
@@ skipping 1322 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }