Deleting the copresence API.

chrome/common/extensions/api/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/json_schema_api.gni")
 import("schemas.gni")
 
 assert(enable_extensions)
 
 # GYP version: chrome/common/extensions/api/api.gyp:chrome_api
@@ skipping 15 matching lines @@
 
   deps = [
     # Different APIs include headers from these targets.
     "//content/public/browser",
     "//extensions/browser",
 
     # Different APIs include some headers from chrome/common that in turn
     # include generated headers from these targets.
     # TODO(brettw) this should be made unnecessary if possible.
     ":api",
-    "//components/copresence/proto",
     "//components/metrics/proto",
     "//skia",
     "//sync",
     "//ui/accessibility:ax_gen",
   ]
   if (is_chromeos) {
     deps += [ "//components/drive:proto" ]
   }
   deps += schema_dependencies
 }