mojo: terminate apps if the shell goes away

mojo/shell/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/tools/bindings/mojom.gni")
 import("//build/config/ui.gni")
 
 executable("mojo_shell") {
   deps = [
     ":lib",
@@ skipping 17 matching lines @@
 }
 source_set("lib") {
   deps = [
     ":app_child_process_bindings",
     ":external_service_bindings",
     "//base",
     "//base/third_party/dynamic_annotations",
     "//base:base_static",
     "//mojo/common",
     "//mojo/gles2",
-    "//mojo/public/cpp/application",
+    "//mojo/public/cpp/application:chromium",
     "//mojo/public/interfaces/application",
     "//mojo/service_manager",
     "//mojo/services/native_viewport",
     "//mojo/services/public/interfaces/native_viewport",
     "//mojo/services/public/interfaces/network",
     "//mojo/spy",
     "//mojo/system",
     "//net",
     "//url",
   ]
@@ skipping 68 matching lines @@
   sources = [
     "app_child_process.mojom"
   ]
 }
 
 mojom("external_service_bindings") {
   sources = [
     "external_service.mojom"
   ]
 }