Cascade shutdown of instances

mojo/shell/tests/lifecycle/BUILD.gn

 # Copyright 2016 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("//mojo/public/mojo_application_manifest.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//testing/test.gni")
 
 source_set("lifecycle") {
   testonly = true
   sources = [
     "lifecycle_unittest.cc",
   ]
   deps = [
     ":interfaces",
     "//base",
     "//base/test:test_support",
     "//mojo/shell/public/cpp:shell_test_support",
     "//mojo/shell/public/cpp:sources",
     "//mojo/shell/public/interfaces",
     "//mojo/shell/runner/common",
     "//mojo/shell/tests:util",
   ]
 
   data_deps = [
     ":lifecycle_unittest_app",
+    ":lifecycle_unittest_parent",
     ":lifecycle_unittest_exe",
     ":lifecycle_unittest_package",
     ":manifest",
   ]
 }
 
 mojom("interfaces") {
   sources = [
     "lifecycle_unittest.mojom",
   ]
@@ skipping 70 matching lines @@
   data_deps = [
     ":lifecycle_unittest_app_manifest",
   ]
 }
 
 mojo_application_manifest("lifecycle_unittest_app_manifest") {
   application_name = "lifecycle_unittest_app"
   source = "app_manifest.json"
 }
 
+mojo_native_application("lifecycle_unittest_parent") {
+  testonly = true
+  sources = [
+    "parent.cc",
+  ]
+  deps = [
+    ":interfaces",
+    "//base",
+    "//mojo/shell/public/cpp:sources",
+  ]
+
+  data_deps = [
+    ":lifecycle_unittest_parent_manifest",
+  ]
+}
+
+mojo_application_manifest("lifecycle_unittest_parent_manifest") {
+  application_name = "lifecycle_unittest_parent"
+  source = "parent_manifest.json"
+}
+
 executable("lifecycle_unittest_exe") {
   testonly = true
   sources = [
     "lifecycle_exe.cc",
   ]
   deps = [
     ":app_client",
     "//base",
     "//mojo/shell/public/cpp:sources",
     "//mojo/shell/runner/child:test_native_main",
   ]
 
   data_deps = [
     ":lifecycle_unittest_exe_manifest",
   ]
 }
 
 mojo_application_manifest("lifecycle_unittest_exe_manifest") {
   type = "exe"
   application_name = "lifecycle_unittest_exe"
   source = "exe_manifest.json"
 }