Make tracing an embedded service

chrome/app/mash/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("//build/config/nacl/config.gni")
 import("//chrome/common/features.gni")
 import("//services/catalog/public/tools/catalog.gni")
 import("//services/service_manager/public/service_manifest.gni")
 
 assert(enable_package_mash_services)
@@ skipping 22 matching lines @@
     "//services/catalog/public/interfaces",
     "//services/service_manager",
     "//services/service_manager/background:lib",
     "//services/service_manager/public/cpp",
     "//services/service_manager/public/cpp/standalone_service",
     "//services/service_manager/public/interfaces",
     "//services/service_manager/runner:init",
     "//services/service_manager/runner/common",
     "//services/service_manager/runner/host:lib",
     "//services/service_manager/standalone",
+    "//services/tracing:lib",
+    "//services/tracing/public/interfaces:constants",
     "//services/ui:lib",
     "//services/ui/ime/test_ime_driver:lib",
     "//services/ui/public/interfaces:constants",
     "//url",
   ]
 
   if (is_chromeos) {
     deps += [
       ":chrome_mus_catalog",
       "//ash/autoclick/mus:lib",
@@ skipping 13 matching lines @@
 }
 
 catalog("catalog") {
   embedded_services = [
     "//ash/autoclick/mus:manifest",
     "//ash/touch_hud/mus:manifest",
     "//mash/catalog_viewer:manifest",
     "//mash/quick_launch:manifest",
     "//mash/session:manifest",
     "//mash/task_viewer:manifest",
+    "//services/tracing:manifest",
     "//services/ui:manifest",
     "//services/ui/ime/test_ime_driver:manifest",
   ]
   catalog_deps = [ "//chrome/app:catalog_for_mash" ]
   standalone_services = [
     "//mash/example/views_examples:manifest",
     "//mash/simple_wm:manifest",
   ]
 
   if (is_chromeos) {
@@ skipping 19 matching lines @@
       # TODO(sky): verify if we need this.
       "//services/ui/ime/test_ime_driver:manifest",
     ]
   }
 
   catalog_cpp_source("chrome_mus_catalog") {
     catalog = ":catalog_mus"
     generated_function_name = "CreateChromeMusCatalog"
   }
 }