Move the JS content handler et al from mojo/apps/js to mojo/services

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.
 
 group("js") {
-  # Meta-target, don't link into production code.
-  testonly = true
   deps = [
     ":js_content_handler",
   ]
 }
 
-source_set("js_apps") {
-  sources = [
-    "js_app.cc",
-    "mojo_bridge_module.cc",
-  ]
-
-  public_deps = [
-    "//mojo/edk/js",
-  ]
-  deps = [
-    "//mojo/application",
-    "//mojo/public/c/system:for_shared_library",
-    "//mojo/public/cpp/utility",
-  ]
-}
-
 shared_library("js_content_handler") {
   sources = [
     "content_handler_main.cc",
+    "js_app.cc",
+    "js_app.h",
+    "mojo_bridge_module.cc",
+    "mojo_bridge_module.h",
   ]
 
   deps = [
-    ":js_apps",
     "//base:i18n",
+    "//mojo/application",
     "//mojo/application:application",
     "//mojo/application:content_handler",
+    "//mojo/edk/js/",
     "//mojo/environment:chromium",
+    "//mojo/public/c/system:for_shared_library",
+    "//mojo/public/cpp/utility",
     "//mojo/services/public/interfaces/content_handler",
   ]
 }
+
+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",
+    "//services/js/modules/clock/test",
+  ]
+}