GN rules for everything in //mojo

mojo/examples/demo_launcher/BUILD.gn

Index: mojo/examples/demo_launcher/BUILD.gn
diff --git a/mojo/examples/sample_app/BUILD.gn b/mojo/examples/demo_launcher/BUILD.gn
similarity index 52%
copy from mojo/examples/sample_app/BUILD.gn
copy to mojo/examples/demo_launcher/BUILD.gn
index 39491f3279b622f03a6830ebc05b9b5afb069212..ebf78f13c60ec6e206a9cf462cedf6f20bd2d176 100644
--- a/mojo/examples/sample_app/BUILD.gn
+++ b/mojo/examples/demo_launcher/BUILD.gn
@@ -2,25 +2,29 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//build/config/ui.gni")
 import("//mojo/system.gni")
 
-# GYP version: mojo/mojo_examples.gypi:mojo_sample_app
-shared_library("sample_app") {
-  output_name = "mojo_sample_app"
+assert(use_aura)
+
+# GYP version: mojo/mojo_examples.gypi:mojo_demo_launcher
+shared_library("demo_launcher") {
+  output_name = "mojo_demo_launcher"
+
+  sources = [
+    "demo_launcher.cc",
+  ]
 
   deps = [
-    "//mojo/public/cpp/application:standalone",
+    "//base",
+    "//skia",
+    "//ui/gfx",
+    "//ui/gfx/geometry",
+    "//ui/gl",
+    "//mojo/application",
     "//mojo/public/cpp/bindings",
     "//mojo/public/cpp/utility",
     "//mojo/services/public/interfaces/geometry",
-    "//mojo/services/public/interfaces/native_viewport",
+    "//mojo/services/public/interfaces/view_manager",
   ] + mojo_system_for_shared_library + mojo_gles2_for_shared_library
-
-  sources = [
-    "gles2_client_impl.cc",
-    "gles2_client_impl.h",
-    "sample_app.cc",
-    "spinning_cube.cc",
-    "spinning_cube.h"
-  ]
 }