Headless: Pass devtools request id to the URLFetcher

headless/public/util/protocol_handler_request_id_browsertest.cc

Index: headless/public/util/protocol_handler_request_id_browsertest.cc
diff --git a/headless/public/util/protocol_handler_request_id_browsertest.cc b/headless/public/util/protocol_handler_request_id_browsertest.cc
index d6bbdffa5fc6896fd5e2eb872b78090fb4be5e08..68a34e25ed5d2f092b4064ba2ed7b70bef0b6b38 100644
--- a/headless/public/util/protocol_handler_request_id_browsertest.cc
+++ b/headless/public/util/protocol_handler_request_id_browsertest.cc
@@ -69,6 +69,7 @@ class RequestIdCorrelationProtocolHandler
     void StartFetch(const GURL& url,
                     const std::string& method,
                     const net::HttpRequestHeaders& request_headers,
+                    const std::string& devtools_request_id,
                     ResultListener* result_listener) override {
       const Response* response = protocol_handler_->GetResponse(url.spec());
       if (!response)