Revert of Allow use of Mojo/V8 ProxyResolvers with URLRequestContextBuilder.

net/url_request/url_request_context_builder_v8.cc

-// 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.
-
-#include "net/url_request/url_request_context_builder_v8.h"
-
-#include "base/logging.h"
-#include "net/proxy/proxy_config_service.h"
-#include "net/proxy/proxy_script_fetcher_impl.h"
-#include "net/proxy/proxy_service_v8.h"
-
-#ifdef ENABLE_NET_MOJO
-#include "net/proxy/proxy_service_mojo.h"
-#endif
-
-namespace net {
-
-URLRequestContextBuilderV8::URLRequestContextBuilderV8()
-    : dhcp_fetcher_factory_(new DhcpProxyScriptFetcherFactory()) {}
-
-URLRequestContextBuilderV8::~URLRequestContextBuilderV8() = default;
-
-std::unique_ptr<ProxyService> URLRequestContextBuilderV8::CreateProxyService(
-    std::unique_ptr<ProxyConfigService> proxy_config_service,
-    URLRequestContext* url_request_context,
-    HostResolver* host_resolver,
-    NetworkDelegate* network_delegate,
-    NetLog* net_log) {
-  DCHECK(url_request_context);
-  DCHECK(host_resolver);
-
-  if (!use_v8_) {
-    return URLRequestContextBuilder::CreateProxyService(
-        std::move(proxy_config_service), url_request_context, host_resolver,
-        network_delegate, net_log);
-  }
-
-  std::unique_ptr<net::DhcpProxyScriptFetcher> dhcp_proxy_script_fetcher =
-      dhcp_fetcher_factory_->Create(url_request_context);
-  std::unique_ptr<net::ProxyScriptFetcher> proxy_script_fetcher =
-      base::MakeUnique<ProxyScriptFetcherImpl>(url_request_context);
-  std::unique_ptr<ProxyService> proxy_service;
-#ifdef ENABLE_NET_MOJO
-  if (mojo_proxy_resolver_factory_) {
-    proxy_service = CreateProxyServiceUsingMojoFactory(
-        mojo_proxy_resolver_factory_, std::move(proxy_config_service),
-        proxy_script_fetcher.release(), std::move(dhcp_proxy_script_fetcher),
-        host_resolver, net_log, network_delegate);
-  }
-#endif  // ENABLE_NET_MOJO
-  if (!proxy_service) {
-    proxy_service = CreateProxyServiceUsingV8ProxyResolver(
-        std::move(proxy_config_service), proxy_script_fetcher.release(),
-        std::move(dhcp_proxy_script_fetcher), host_resolver, net_log,
-        network_delegate);
-  }
-
-  proxy_service->set_quick_check_enabled(quick_check_enabled_);
-  proxy_service->set_sanitize_url_policy(sanitize_url_policy_);
-
-  return proxy_service;
-}
-
-}  // namespace net