GN rules for everything in //mojo

mojo/examples/apptest/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("//mojo/system.gni")
+
+group("apptest") {
+  testonly = true
+
+  deps = [
+    ":apptests",
+    ":service",
+  ]
+}
+
+# GYP version mojo/mojo_examples.gypi:mojo_example_service
+shared_library("service") {
+  output_name = "mojo_example_service"
+
+  sources = [
+    "example_service_application.cc",
+    "example_service_application.h",
+    "example_service_impl.cc",
+    "example_service_impl.h",
+  ]
+
+  deps = [
+    ":bindings",
+    "//mojo/public/cpp/application:standalone",
+    "//mojo/public/cpp/utility"
+  ] + mojo_system_for_shared_library
+}
+
+# GYP version: mojo/mojo_examples.gypi:mojo_example_apptests
+shared_library("apptests") {
+  output_name = "mojo_example_apptests"
+
+  testonly = true
+
+  sources = [
+    "example_apptest.cc",
+    "example_client_application.cc",
+    "example_client_application.h",
+    "example_client_impl.cc",
+    "example_client_impl.h",
+  ]
+
+   deps = [
+    ":bindings",
+    "//testing/gtest",
+    "//mojo/public/cpp/application:standalone",
+    "//mojo/public/cpp/utility",
+   ] + mojo_system_for_shared_library
+}
+
+# GYP version: mojo/mojo_examples.gypi:mojo_example_service_bindings
+mojom("bindings") {
+  sources = [ "example_service.mojom" ]
+}