Creating the NTP snippet service.

components/ntp_snippets/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.
 
-component("core") {
-  output_name = "device_core"
-
+# GYP version: components/ntp_snippets.gypi:ntp_snippets
+source_set("ntp_snippets") {
   sources = [
-    "device_client.cc",
-    "device_client.h",
-    "device_monitor_win.cc",
-    "device_monitor_win.h",
+    "ntp_snippets_service.cc",
+    "ntp_snippets_service.h",
   ]
 
-  defines = [ "DEVICE_CORE_IMPLEMENTATION" ]
-
   public_deps = [
     "//base",
+    "//components/keyed_service/core",
   ]
 }