GN: Mojo wget, sample_app, surfaces app and component build

mojo/services/network/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.
 
-source_set("network") {
+import("//mojo/system.gni")
+
+# GYP version: mojo/mojo_services.gypi:mojo_network_service
+shared_library("network") {
+  output_name = "mojo_network_service"
+
+  deps = [
+    ":lib",
+    "//mojo/services/public/interfaces/network",
+  ]
+  deps += mojo_system_for_shared_library
+
+  sources = [ "main.cc" ]
+}
+
+# GYP version: mojo/mojo_services.gypi:mojo_network_service_lib
+source_set("lib") {
   deps = [
     "//base",
     "//mojo/common",
     "//mojo/environment:chromium",
     "//mojo/public/cpp/application:chromium",
     "//mojo/services/public/interfaces/network",
     "//net",
     "//url",
   ]
 
   sources = [
     "cookie_store_impl.cc",
     "cookie_store_impl.h",
     "network_context.cc",
     "network_context.h",
     "network_service_impl.cc",
     "network_service_impl.h",
     "url_loader_impl.cc",
     "url_loader_impl.h",
   ]
 }