Delete the audio modem and copresence private APIs.

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 396 matching lines @@
       'browser/browsing_data/hosted_apps_counter_unittest.cc',
       'browser/extensions/active_tab_unittest.cc',
       'browser/extensions/activity_log/activity_database_unittest.cc',
       'browser/extensions/activity_log/activity_log_enabled_unittest.cc',
       'browser/extensions/activity_log/activity_log_policy_unittest.cc',
       'browser/extensions/activity_log/activity_log_unittest.cc',
       'browser/extensions/activity_log/counting_policy_unittest.cc',
       'browser/extensions/activity_log/database_string_table_unittest.cc',
       'browser/extensions/activity_log/fullstream_ui_policy_unittest.cc',
       'browser/extensions/api/activity_log_private/activity_log_private_api_unittest.cc',
-      'browser/extensions/api/audio_modem/audio_modem_api_unittest.cc',
       'browser/extensions/api/bookmarks/bookmark_api_helpers_unittest.cc',
       'browser/extensions/api/content_settings/content_settings_store_unittest.cc',
       'browser/extensions/api/content_settings/content_settings_unittest.cc',
       'browser/extensions/api/cookies/cookies_unittest.cc',
       'browser/extensions/api/cryptotoken_private/cryptotoken_private_api_unittest.cc',
       'browser/extensions/api/declarative/rules_registry_service_unittest.cc',
       'browser/extensions/api/declarative/rules_registry_with_cache_unittest.cc',
       'browser/extensions/api/declarative_content/chrome_content_rules_registry_unittest.cc',
       'browser/extensions/api/declarative_content/content_action_unittest.cc',
       'browser/extensions/api/declarative_content/content_condition_unittest.cc',
@@ skipping 1974 matching lines @@
           'sources': [
             'browser/ui/sync/one_click_signin_sync_observer_unittest.cc',
             'browser/ui/sync/one_click_signin_sync_starter_unittest.cc',
           ],
         }],
         ['enable_extensions==1', {
           'sources': [ '<@(chrome_unit_tests_extensions_sources)' ],
           'dependencies': [
             'common/extensions/api/api.gyp:chrome_api',
             '../device/hid/hid.gyp:device_hid_mocks',
-            '../components/components.gyp:audio_modem_test_support',
             '../extensions/extensions_resources.gyp:extensions_resources',
             '../extensions/extensions_strings.gyp:extensions_strings',
           ],
           'conditions': [
             ['enable_service_discovery==1', {
               'sources': [ '<@(chrome_unit_tests_extensions_service_discovery_sources)' ],
             }],
             ['chromeos==0', {
               'sources': [
                 '<@(chrome_unit_tests_extensions_non_chromeos_sources)',
@@ skipping 601 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }