[DevTools] Consolidate overlay-related functionality in Overlay domain

headless/lib/browser/headless_devtools_client_impl.cc

 // 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.
 
 #include "headless/lib/browser/headless_devtools_client_impl.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/json/json_reader.h"
@@ skipping 41 matching lines @@
       indexeddb_domain_(this),
       input_domain_(this),
       inspector_domain_(this),
       io_domain_(this),
       layer_tree_domain_(this),
       log_domain_(this),
       memory_domain_(this),
       network_domain_(this),
       page_domain_(this),
       profiler_domain_(this),
-      rendering_domain_(this),
       runtime_domain_(this),
       security_domain_(this),
       service_worker_domain_(this),
       target_domain_(this),
       tracing_domain_(this),
       browser_main_thread_(content::BrowserThread::GetTaskRunnerForThread(
           content::BrowserThread::UI)),
       weak_ptr_factory_(this) {}
 
 HeadlessDevToolsClientImpl::~HeadlessDevToolsClientImpl() {}
@@ skipping 249 matching lines @@
 }
 
 page::Domain* HeadlessDevToolsClientImpl::GetPage() {
   return &page_domain_;
 }
 
 profiler::Domain* HeadlessDevToolsClientImpl::GetProfiler() {
   return &profiler_domain_;
 }
 
-rendering::Domain* HeadlessDevToolsClientImpl::GetRendering() {
-  return &rendering_domain_;
-}
-
 runtime::Domain* HeadlessDevToolsClientImpl::GetRuntime() {
   return &runtime_domain_;
 }
 
 security::Domain* HeadlessDevToolsClientImpl::GetSecurity() {
   return &security_domain_;
 }
 
 service_worker::Domain* HeadlessDevToolsClientImpl::GetServiceWorker() {
   return &service_worker_domain_;
@@ skipping 65 matching lines @@
 HeadlessDevToolsClientImpl::Callback::Callback(
     base::Callback<void(const base::Value&)> callback)
     : callback_with_result(callback) {}
 
 HeadlessDevToolsClientImpl::Callback::~Callback() {}
 
 HeadlessDevToolsClientImpl::Callback& HeadlessDevToolsClientImpl::Callback::
 operator=(Callback&& other) = default;
 
 }  // namespace headless