Create a RegisterViewAssociate method in ViewManager

services/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.
 
 group("services") {
   testonly = true
 
   deps = [
     ":tests",
     "//services/asset_bundle",
@@ skipping 67 matching lines @@
 
   deps = [
     "//services/asset_bundle:apptests",
     "//services/authenticating_url_loader_interceptor:apptests",
     "//services/clipboard:apptests",
     "//services/gfx/compositor:apptests",
     "//services/http_server:apptests",
     "//services/media/common:apptests",
     "//services/native_support:apptests",
     "//services/prediction:apptests",
+    "//services/ui/view_manager:view_manager_apptests",
   ]
 
   # TODO: fix ffmpeg build
   if (!is_fnl) {
     deps += [ "//services/media/framework:apptests" ]
   }
 
   if (!is_android) {
     deps += [ "//services/authentication:apptests" ]
   }
@@ skipping 15 matching lines @@
   }
 
   if (is_android || is_linux) {
     deps += [
       "//services/files:apptests",
       "//services/log:apptests",
       "//services/url_response_disk_cache:tests",
     ]
   }
 }