Delete the audio modem and copresence private APIs.

chrome/chrome_tests.gypi

 # Copyright 2013 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': {
     'build_angle_deqp_tests%': 0,
     'chrome_browser_extensions_test_support_sources': [
       # A list of sources which is shared between different browser tests.
       'browser/apps/app_browsertest_util.cc',
       'browser/apps/app_browsertest_util.h',
@@ skipping 2643 matching lines @@
         }],
         ['OS=="linux" or OS=="win"', {
           'sources': [ '<@(chrome_browser_tests_non_mac_desktop_sources)' ],
         }],
         ['OS=="ios"', {
           'sources!': [
             # TODO(dbeam): log webui URLs on iOS and test them.
             'browser/ui/webui/log_web_ui_url_browsertest.cc',
           ],
         }],
-        ['OS!="android" and OS!="ios"', {
-          'sources': [
-            'browser/copresence/chrome_whispernet_client_browsertest.cc',
-          ],
-          'dependencies': [
-            '../components/components.gyp:audio_modem',
-            # build time dependency.
-            '../v8/samples/samples.gyp:v8_shell#host',
-          ],
-        }],
         ['enable_app_list==1', {
           'sources': [ '<@(chrome_browser_tests_app_list_sources)' ],
           'conditions': [
             ['OS=="mac"', {
               'sources!': [
                 # This assumes the AppList is views-based, but Mac only links
                 # browser parts for the Cocoa implementation.
                 'browser/ui/app_list/app_list_service_views_browsertest.cc',
               ],
             }],
@@ skipping 914 matching lines @@
             'browser',
           ],
           'sources': [
             'tools/service_discovery_sniffer/service_discovery_sniffer.cc',
             'tools/service_discovery_sniffer/service_discovery_sniffer.h',
           ],
         }]
     }],
   ],  # 'conditions'
 }