Merge to M58: Support redirect responses for NavigationPreload

third_party/WebKit/LayoutTests/http/tests/inspector/service-workers/service-workers-navigation-preload.html

Index: third_party/WebKit/LayoutTests/http/tests/inspector/service-workers/service-workers-navigation-preload.html
diff --git a/third_party/WebKit/LayoutTests/http/tests/inspector/service-workers/service-workers-navigation-preload.html b/third_party/WebKit/LayoutTests/http/tests/inspector/service-workers/service-workers-navigation-preload.html
index 89b9dba5f73878bbd4005398f417da4a06964dd1..9df07e7c2dcb7fb00670b5205c1ef9d8d911b229 100644
--- a/third_party/WebKit/LayoutTests/http/tests/inspector/service-workers/service-workers-navigation-preload.html
+++ b/third_party/WebKit/LayoutTests/http/tests/inspector/service-workers/service-workers-navigation-preload.html
@@ -57,6 +57,7 @@ function test()
             return;
         }
         InspectorTest.addResult("onResponseReceived:");
+        InspectorTest.addResult("  statusCode: " + request.statusCode);
         InspectorTest.addResult("  timing available: " + !!request.timing);
         request.requestHeaders().map(header => {
             if (header.name == 'Service-Worker-Navigation-Preload') {
@@ -112,7 +113,7 @@ function test()
         InspectorTest.addResult("-----------------");
         InspectorTest.addResult("Loading another iframe.");
         return InspectorTest.callFunctionInPageAsync(
-            "loadIframe", [ scope + "?RedirectError"]);
+            "loadIframe", [ scope + "?Redirect"]);
       })
       .then(_ => {
         InspectorTest.addResult("The iframe loaded.");