Mozart: Add a janky test app.

examples/ui/jank/BUILD.gn

-# Copyright 2014 The Chromium Authors. All rights reserved.
+# 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")
 
-mojo_native_application("png_viewer") {
+mojo_native_application("jank") {
+  output_name = "jank_view"
+
   sources = [
-    "png_viewer.cc",
+    "jank.cc",
   ]
 
   deps = [
+    "//base",
     "//mojo/application",
-    "//mojo/data_pipe_utils",
     "//mojo/environment:chromium",
     "//mojo/gpu",
     "//mojo/public/c/gpu",
     "//mojo/public/cpp/bindings",
-    "//mojo/public/cpp/utility",
-    "//mojo/services/content_handler/interfaces",
     "//mojo/services/geometry/interfaces",
     "//mojo/services/gfx/composition/interfaces",
-    "//mojo/services/network/interfaces",
+    "//mojo/services/ui/input/interfaces",
     "//mojo/services/ui/views/interfaces",
     "//mojo/skia",
     "//mojo/ui",
     "//mojo/ui:content",
     "//mojo/ui:ganesh",
     "//mojo/ui:gl",
-    "//ui/gfx",
+    "//skia",
+    "//third_party/dejavu-fonts-ttf-2.34:DejaVuSansMonoRegular",
   ]
 }