[headless] Use version for product name and user agent.

headless/lib/browser/headless_devtools.cc

 // 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.
 
 #include "headless/lib/browser/headless_devtools.h"
 
 #include <string>
 #include <utility>
 
 #include "base/files/file_path.h"
@@ skipping 38 matching lines @@
     return nullptr;
   }
 
   net::IPEndPoint endpoint_;
 
   DISALLOW_COPY_AND_ASSIGN(TCPServerSocketFactory);
 };
 
 }  // namespace
 
-void StartLocalDevToolsHttpHandler(
-    HeadlessBrowser::Options* options) {
+void StartLocalDevToolsHttpHandler(HeadlessBrowser::Options* options) {
   const net::IPEndPoint& endpoint = options->devtools_endpoint;
   std::unique_ptr<content::DevToolsSocketFactory> socket_factory(
       new TCPServerSocketFactory(endpoint));
   content::DevToolsAgentHost::StartRemoteDebuggingServer(
       std::move(socket_factory), std::string(),
       options->user_data_dir,  // TODO(altimin): Figure a proper value for this.
-      base::FilePath(), std::string(), options->user_agent);
+      base::FilePath(), options->product_name_and_version, options->user_agent);
 }
 
 void StopLocalDevToolsHttpHandler() {
   content::DevToolsAgentHost::StopRemoteDebuggingServer();
 }
 
 }  // namespace headless