Add a multi-threaded rendering example.

examples/ui/noodles/BUILD.gn

 # Copyright 2015 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")
 
-mojo_native_application("shapes") {
-  output_name = "shapes_view"
+mojo_native_application("noodles") {
+  output_name = "noodles_view"
 
   sources = [
+    "frame.cc",
+    "frame.h",
     "main.cc",
-    "shapes_app.cc",
-    "shapes_app.h",
-    "shapes_view.cc",
-    "shapes_view.h",
+    "noodles_app.cc",
+    "noodles_app.h",
+    "noodles_view.cc",
+    "noodles_view.h",
+    "rasterizer.cc",
+    "rasterizer.h",
   ]
 
   deps = [
     "//base",
     "//mojo/application",
     "//mojo/common",
     "//mojo/environment:chromium",
     "//mojo/gpu",
     "//mojo/public/c/gpu",
     "//mojo/public/cpp/bindings",
     "//mojo/public/cpp/environment",
     "//mojo/public/cpp/system",
+    "//mojo/public/interfaces/application",
     "//mojo/services/geometry/interfaces",
     "//mojo/services/gfx/composition/interfaces",
     "//mojo/services/ui/views/interfaces",
     "//mojo/skia",
     "//mojo/ui",
     "//mojo/ui:ganesh",
     "//mojo/ui:gl",
     "//skia",
   ]
 }