Splitting the Mus demo code out of a service.

services/ui/demo/BUILD.gn

 # 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("//services/service_manager/public/cpp/service.gni")
 import("//services/service_manager/public/service_manifest.gni")
 import("//testing/test.gni")
 
 service("mus_demo") {
   sources = [
+    "main.cc",
+    "mus_demo_service.cc",
+    "mus_demo_service.h",
+  ]
+
+  deps = [
+    ":mus_demo_lib",
+    "//mojo/public/cpp/bindings",
+    "//services/service_manager/public/cpp",
+    "//services/service_manager/public/cpp:sources",
+    "//services/ui/public/cpp",
+    "//services/ui/public/cpp:internal",
+    "//services/ui/public/interfaces",

[tonikitoo, 2016/10/19 19:34:07]

do we need to duplicate most of the dependencies in mus_demo and mus_demo_lib
targets?

[Jay Civelli, 2016/10/19 20:00:13]

Good point, simplified.

+  ]
+
+  data_deps = [
+    ":manifest",
+  ]
+}
+
+static_library("mus_demo_lib") {
+  sources = [
     "bitmap_uploader.cc",
     "bitmap_uploader.h",
-    "main.cc",
     "mus_demo.cc",
     "mus_demo.h",
   ]
 
   deps = [
     "//base",
     "//mojo/public/cpp/bindings",
     "//services/service_manager/public/cpp",
     "//services/service_manager/public/cpp:sources",
     "//services/ui/public/cpp",
@@ skipping 41 matching lines @@
     ":mus_demo",
     ":test_manifest",
   ]
 }
 
 group("demo") {
   deps = [
     ":mus_demo",
   ]
 }