Show service worker navigation preload requests in DevTools Network tab

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

Index: third_party/WebKit/LayoutTests/http/tests/inspector/service-workers/service-workers-navigation-preload-expected.txt
diff --git a/third_party/WebKit/LayoutTests/http/tests/inspector/service-workers/service-workers-navigation-preload-expected.txt b/third_party/WebKit/LayoutTests/http/tests/inspector/service-workers/service-workers-navigation-preload-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..af3a09ec7f99c92168837975ba0e9886f6797bdd
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/http/tests/inspector/service-workers/service-workers-navigation-preload-expected.txt
@@ -0,0 +1,34 @@
+Tests the navigation request related events are availale in the DevTools.
+
+
+-----------------
+Loading an iframe.
+navigationPreloadSent:
+  url: http://127.0.0.1:8000/inspector/service-workers/resources/navigation-preload-scope.php
+  initiator.type: preload
+navigationPreloadResponseReceived:
+  response.url: http://127.0.0.1:8000/inspector/service-workers/resources/navigation-preload-scope.php
+  response.timing available: true
+  response.requestHeaders available: true
+  response.requestHeaders['Service-Worker-Navigation-Preload']: hello
+navigationPreloadFinished:
+The iframe loaded.
+-----------------
+Loading another iframe.
+navigationPreloadSent:
+  url: http://127.0.0.1:8000/inspector/service-workers/resources/navigation-preload-scope.php?EarlyReturn
+  initiator.type: preload
+navigationPreloadFailed:
+  errorMessage: Service Worker navigation preload aborted. Need to guard with respondWith or waitUntil.
+The iframe loaded.
+-----------------
+Loading another iframe.
+navigationPreloadSent:
+  url: http://127.0.0.1:8000/inspector/service-workers/resources/navigation-preload-scope.php?RedirectError
+  initiator.type: preload
+navigationPreloadFailed:
+  errorMessage: Service Worker navigation preload doesn't suport redirect.
+The iframe loaded.
+-----------------
+Done
+