Move JS support code from //mojo/edk/js to //services/js/system

services/js/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("//mojo/public/mojo_application.gni")
 import("//testing/test.gni")
 
 group("js") {
   deps = [
     ":js_content_handler",
   ]
 }
 
+group("tests") {
+  testonly = true
+
+  deps = [
+    ":js_apptests",
+    ":js_services_unittests",
+    "//services/js/system:tests",
+  ]
+}
+
 mojo_native_application("js_content_handler") {
   sources = [
     "content_handler_main.cc",
     "js_app.cc",
     "js_app.h",
     "js_app_message_loop_observers.cc",
     "js_app_message_loop_observers.h",
     "js_app_runner_delegate.cc",
     "js_app_runner_delegate.h",
   ]
 
   deps = [
     "//base:i18n",
     "//mojo/application",
     "//mojo/application:content_handler",
     "//mojo/data_pipe_utils",
-    "//mojo/edk/js/",
     "//mojo/environment:chromium",
     "//mojo/message_pump",
     "//mojo/public/cpp/system",
     "//mojo/public/cpp/utility",
     "//mojo/public/interfaces/application",
     "//mojo/services/content_handler/public/interfaces",
     "//mojo/services/network/public/interfaces",
     "//services/js/modules/clock",
     "//services/js/modules/gl",
+    "//services/js/system",
   ]
 }
 
 test("js_services_unittests") {
   deps = [
     "//base",
     "//gin:gin_test",
-    "//mojo/edk/js",
     "//mojo/edk/test:run_all_unittests",
     "//mojo/edk/test:test_support",
     "//mojo/public/cpp/utility",
     "//mojo/environment:chromium",
     "//mojo/public/interfaces/bindings/tests:test_interfaces",
     "//mojo/public/interfaces/bindings/tests:test_interfaces_experimental",
     "//services/js/modules/clock/test",
+    "//services/js/system",
   ]
 }
 
 mojo_native_application("js_apptests") {
   testonly = true
 
   sources = [
     "echo_apptest.cc",
     "network_apptest.cc",
     "pingpong_apptest.cc",
   ]
 
   deps = [
     "//base",
     "//mojo/public/cpp/bindings",
     "//mojo/public/cpp/system",
     "//services/js/test:echo_service",
     "//services/js/test:js_application_test_base",
     "//services/js/test:network_test_service",
     "//services/js/test:pingpong_service",
   ]
 }