Revert of [DevTools] Consolidate overlay-related functionality in Overlay domain

headless/BUILD.gn

 # Copyright 2015 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/chrome_build.gni")
 import("//headless/headless.gni")
 import("//build/util/process_version.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//printing/features/features.gni")
 import("//testing/test.gni")
@@ skipping 128 matching lines @@
   "indexeddb",
   "input",
   "inspector",
   "io",
   "layer_tree",
   "log",
   "memory",
   "network",
   "page",
   "profiler",
+  "rendering",
   "runtime",
   "security",
   "service_worker",
   "target",
   "tracing",
 ]
 
 generated_devtools_api = [
   "$target_gen_dir/public/domains/types.h",
   "$target_gen_dir/public/domains/type_conversions.h",
@@ skipping 363 matching lines @@
 
 executable("headless_example") {
   sources = [
     "app/headless_example.cc",
   ]
 
   deps = [
     "//headless:headless_shell_lib",
   ]
 }