WIP: The tracing service prototype

services/resource_coordinator/tracing/BUILD.gn

+# Copyright 2017 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")
+
+service("tracing") {
+  sources = [
+    "main.cc",
+  ]
+
+  deps = [
+    ":lib",
+    "//services/service_manager/public/cpp",
+  ]
+}
+
+source_set("lib") {
+  sources = [
+    "agent_set_impl.cc",
+    "agent_set_impl.h",
+    "coordinator_impl.cc",
+    "coordinator_impl.h",
+    "recorder_impl.cc",
+    "recorder_impl.h",
+    "service.cc",
+    "service.h",
+  ]
+
+  public_deps = [
+    "//base",
+    "//mojo/common",
+    "//services/resource_coordinator/public/cpp:resource_coordinator_cpp",
+  ]
+}
+
+service_manifest("manifest") {
+  name = "tracing"
+  source = "manifest.json"
+}