[New Tab Page] Change the mechanism to intercept online NTP errors

chrome/browser/net/url_request_mock_util.cc

Index: chrome/browser/net/url_request_mock_util.cc
diff --git a/chrome/browser/net/url_request_mock_util.cc b/chrome/browser/net/url_request_mock_util.cc
index cd956bb768f0764bcd59bac4ee8c170ef61603c4..56d6a5e009b7bac52104b2bacf2fa3ccc87dffce 100644
--- a/chrome/browser/net/url_request_mock_util.cc
+++ b/chrome/browser/net/url_request_mock_util.cc
@@ -37,8 +37,8 @@ void SetUrlRequestMocksEnabled(bool enabled) {
 
     base::FilePath root_http;
     PathService::Get(chrome::DIR_TEST_DATA, &root_http);
-    net::URLRequestMockHTTPJob::AddUrlHandler(root_http,
-                                              BrowserThread::GetBlockingPool());
+    net::URLRequestMockHTTPJob::AddUrlHandlers(
+        root_http, BrowserThread::GetBlockingPool());
   } else {
     // Revert to the default handlers.
     net::URLRequestFilter::GetInstance()->ClearHandlers();