Enable ServiceWorkerNavigationPreload by default

third_party/WebKit/LayoutTests/http/tests/serviceworker/chromium/resources/navigation-preload-origin-trial-interfaces-worker.php

Index: third_party/WebKit/LayoutTests/http/tests/serviceworker/chromium/resources/navigation-preload-origin-trial-interfaces-worker.php
diff --git a/third_party/WebKit/LayoutTests/http/tests/serviceworker/chromium/resources/navigation-preload-origin-trial-interfaces-worker.php b/third_party/WebKit/LayoutTests/http/tests/serviceworker/chromium/resources/navigation-preload-origin-trial-interfaces-worker.php
deleted file mode 100644
index 6b8032d747e1cfb4d0b03945c4067515dc4c409e..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/http/tests/serviceworker/chromium/resources/navigation-preload-origin-trial-interfaces-worker.php
+++ /dev/null
@@ -1,17 +0,0 @@
-<?php
-if (isset($_GET["origintrial"])) {
-  // generate_token.py  http://127.0.0.1:8000 ServiceWorkerNavigationPreload -expire-timestamp=2000000000
-  header("Origin-Trial: AsAA4dg2Rm+GSgnpyxxnpVk1Bk8CcE+qVBTDpPbIFNscyNRJOdqw1l0vkC4dtsGm1tmP4ZDAKwycQDzsc9xr7gMAAABmeyJvcmlnaW4iOiAiaHR0cDovLzEyNy4wLjAuMTo4MDAwIiwgImZlYXR1cmUiOiAiU2VydmljZVdvcmtlck5hdmlnYXRpb25QcmVsb2FkIiwgImV4cGlyeSI6IDIwMDAwMDAwMDB9");
-}
-header('Content-Type: application/javascript');
-?>
-importScripts('./get-interface-names.js');
-
-self.addEventListener('message', event => {
-    event.source.postMessage(
-        get_interface_names(
-            this,
-            ['NavigationPreloadManager',
-             'FetchEvent',
-             'ServiceWorkerRegistration']));
-  });