Adding DRP specfic UMA for FirstContentfulPaint

content/test/test_navigation_url_loader.cc

Index: content/test/test_navigation_url_loader.cc
diff --git a/content/test/test_navigation_url_loader.cc b/content/test/test_navigation_url_loader.cc
index 3c948685c8fb85a43d49dcc3c17fb7b935c519dd..8dafc5e6a712252132262bd346ee13216ed70176 100644
--- a/content/test/test_navigation_url_loader.cc
+++ b/content/test/test_navigation_url_loader.cc
@@ -1,19 +1,20 @@
 // Copyright (c) 2014 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 "content/test/test_navigation_url_loader.h"
 
 #include <utility>
 
 #include "content/browser/loader/navigation_url_loader_delegate.h"
+#include "content/public/browser/navigation_data.h"
 #include "content/public/browser/stream_handle.h"
 #include "content/public/common/resource_response.h"
 #include "net/url_request/redirect_info.h"
 
 namespace content {
 
 TestNavigationURLLoader::TestNavigationURLLoader(
     std::unique_ptr<NavigationRequestInfo> request_info,
     NavigationURLLoaderDelegate* delegate)
     : request_info_(std::move(request_info)),
@@ -44,17 +45,19 @@ void TestNavigationURLLoader::SimulateError(int error_code) {
 }
 
 void TestNavigationURLLoader::CallOnRequestRedirected(
     const net::RedirectInfo& redirect_info,
     const scoped_refptr<ResourceResponse>& response) {
   delegate_->OnRequestRedirected(redirect_info, response);
 }
 
 void TestNavigationURLLoader::CallOnResponseStarted(
     const scoped_refptr<ResourceResponse>& response,
-    std::unique_ptr<StreamHandle> body) {
-  delegate_->OnResponseStarted(response, std::move(body));
+    std::unique_ptr<StreamHandle> body,
+    std::unique_ptr<NavigationData> navigation_data) {
+  delegate_->OnResponseStarted(response, std::move(body),
+                               std::move(navigation_data));
 }
 
 TestNavigationURLLoader::~TestNavigationURLLoader() {}
 
 }  // namespace content