Enable ServiceWorkerNavigationPreload by default

third_party/WebKit/LayoutTests/virtual/stable/http/tests/serviceworker/webexposed/global-interface-listing-service-worker-expected.txt

Index: third_party/WebKit/LayoutTests/virtual/stable/http/tests/serviceworker/webexposed/global-interface-listing-service-worker-expected.txt
diff --git a/third_party/WebKit/LayoutTests/virtual/stable/http/tests/serviceworker/webexposed/global-interface-listing-service-worker-expected.txt b/third_party/WebKit/LayoutTests/virtual/stable/http/tests/serviceworker/webexposed/global-interface-listing-service-worker-expected.txt
index 9c921d65f342aa1377816199f0686f357e59409a..56ef20420095f3e5666756c445a370b587d6e7e3 100644
--- a/third_party/WebKit/LayoutTests/virtual/stable/http/tests/serviceworker/webexposed/global-interface-listing-service-worker-expected.txt
+++ b/third_party/WebKit/LayoutTests/virtual/stable/http/tests/serviceworker/webexposed/global-interface-listing-service-worker-expected.txt
@@ -179,6 +179,7 @@ interface ExtendableMessageEvent : ExtendableEvent
 interface FetchEvent : ExtendableEvent
     getter clientId
     getter isReload
+    getter preloadResponse
     getter request
     method constructor
     method respondWith
@@ -394,6 +395,12 @@ interface MessagePort : EventTarget
     method postMessage
     method start
     setter onmessage
+interface NavigationPreloadManager
+    method constructor
+    method disable
+    method enable
+    method getState
+    method setHeaderValue
 interface Notification : EventTarget
     static getter maxActions
     static getter permission
@@ -516,6 +523,7 @@ interface ServiceWorkerGlobalScope : WorkerGlobalScope
 interface ServiceWorkerRegistration : EventTarget
     getter active
     getter installing
+    getter navigationPreload
     getter onupdatefound
     getter pushManager
     getter scope