Make URLRequestContextBuilderV8 Mojo-only.

net/url_request/url_request_context_builder_mojo.cc

Index: net/url_request/url_request_context_builder_mojo.cc
diff --git a/net/url_request/url_request_context_builder_mojo.cc b/net/url_request/url_request_context_builder_mojo.cc
new file mode 100644
index 0000000000000000000000000000000000000000..43a4fc22cf3578be38f899a76bf561a7ceb5b6ed
--- /dev/null
+++ b/net/url_request/url_request_context_builder_mojo.cc
@@ -0,0 +1,45 @@
+// 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_mojo.h"
+
+#include "base/logging.h"
+#include "build/build_config.h"
+#include "net/proxy/proxy_config_service.h"
+#include "net/proxy/proxy_script_fetcher_impl.h"
+#include "net/proxy/proxy_service_mojo.h"
+
+namespace net {
+
+URLRequestContextBuilderMojo::URLRequestContextBuilderMojo()
+    : dhcp_fetcher_factory_(new DhcpProxyScriptFetcherFactory()) {}
+
+URLRequestContextBuilderMojo::~URLRequestContextBuilderMojo() = default;
+
+std::unique_ptr<ProxyService> URLRequestContextBuilderMojo::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 (!mojo_proxy_resolver_factory_) {
+    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);
+  return 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);
+}
+
+}  // namespace net