Deleting the copresence API.

chrome/chrome_common.gypi

 # Copyright (c) 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': {
     # File lists shared with GN build.
     'chrome_common_sources': [
       'common/all_messages.h',
       'common/attrition_experiments.h',
@@ skipping 153 matching lines @@
       'common/extensions/image_writer/image_writer_util_mac.cc',
       'common/extensions/image_writer/image_writer_util_mac.h',
       'common/extensions/manifest_handlers/app_icon_color_info.cc',
       'common/extensions/manifest_handlers/app_icon_color_info.h',
       'common/extensions/manifest_handlers/app_launch_info.cc',
       'common/extensions/manifest_handlers/app_launch_info.h',
       'common/extensions/manifest_handlers/automation.cc',
       'common/extensions/manifest_handlers/automation.h',
       'common/extensions/manifest_handlers/content_scripts_handler.cc',
       'common/extensions/manifest_handlers/content_scripts_handler.h',
-      'common/extensions/manifest_handlers/copresence_manifest.cc',
-      'common/extensions/manifest_handlers/copresence_manifest.h',
       'common/extensions/manifest_handlers/extension_action_handler.cc',
       'common/extensions/manifest_handlers/extension_action_handler.h',
       'common/extensions/manifest_handlers/linked_app_icons.cc',
       'common/extensions/manifest_handlers/linked_app_icons.h',
       'common/extensions/manifest_handlers/minimum_chrome_version_checker.cc',
       'common/extensions/manifest_handlers/minimum_chrome_version_checker.h',
       'common/extensions/manifest_handlers/settings_overrides_handler.cc',
       'common/extensions/manifest_handlers/settings_overrides_handler.h',
       'common/extensions/manifest_handlers/theme_handler.cc',
       'common/extensions/manifest_handlers/theme_handler.h',
@@ skipping 506 matching lines @@
           ],
           'dependencies': [
             'installer_util',
             '../base/base.gyp:base',
           ],
         },
       ],
     }],
   ],
 }