Add stats collection for telemetry startup.warm.blank_page test.

mandoline/ui/browser/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.
 
 import("//build/config/ui.gni")
 import("//mojo/public/mojo_application.gni")
 import("//third_party/mojo/src/mojo/public/tools/bindings/mojom.gni")
 
 mojo_native_application("browser") {
   sources = [
@@ skipping 23 matching lines @@
 
   deps = [
     "public/interfaces",
     "//base",
     "//components/view_manager/public/cpp",
     "//mandoline/services/navigation/public/interfaces",
     "//mandoline/tab",
     "//mojo/application/public/cpp:sources",
     "//mojo/common:common_base",
     "//mojo/converters/geometry",
+    "//mojo/services/tracing/public/cpp",
+    "//mojo/services/tracing/public/interfaces",
     "//skia",
     "//third_party/mojo/src/mojo/public/cpp/bindings",
     "//ui/gfx/geometry",
     "//ui/mojo/events:interfaces",
     "//url",
   ]
 
   if (is_mac || use_aura) {
     sources += [
       "desktop/desktop_ui.cc",
@@ skipping 23 matching lines @@
   deps = [
     "//base",
     "//base/test:test_config",
     "//components/view_manager/public/cpp",
     "//mandoline/tab/public/interfaces",
     "//mandoline/ui/browser:lib",
     "//mojo/application/public/cpp:sources",
     "//mojo/application/public/cpp:test_support",
   ]
 }