Enable ServiceWorkerNavigationPreload by default

third_party/WebKit/LayoutTests/http/tests/serviceworker/chromium/navigation-preload-origin-trial-methods-expected.txt

Index: third_party/WebKit/LayoutTests/http/tests/serviceworker/chromium/navigation-preload-origin-trial-methods-expected.txt
diff --git a/third_party/WebKit/LayoutTests/http/tests/serviceworker/chromium/navigation-preload-origin-trial-methods-expected.txt b/third_party/WebKit/LayoutTests/http/tests/serviceworker/chromium/navigation-preload-origin-trial-methods-expected.txt
deleted file mode 100644
index a3bdeb720ed5a7c778225a76c6318e9b713b031f..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/http/tests/serviceworker/chromium/navigation-preload-origin-trial-methods-expected.txt
+++ /dev/null
@@ -1,32 +0,0 @@
-CONSOLE WARNING: line 13: This test relies on console message comparison so there can be different -expected.txt files for virtual test suites.
-CONSOLE MESSAGE: line 68: --normal SW--
-disable() rejected with: AbortError: Failed to enable or disable navigation preload: The service worker script does not have a valid Navigation Preload Origin Trial token.
-enable() rejected with: AbortError: Failed to enable or disable navigation preload: The service worker script does not have a valid Navigation Preload Origin Trial token.
-getState() resolved with: {"enabled":false,"headerValue":"true"}
-setHeaderValue() rejected with: AbortError: Failed to set navigation preload header: The service worker script does not have a valid Navigation Preload Origin Trial token.
-log from SW
-Activate event handler
-registration.navigationPreload not found
-Fetch event handler
-event.preloadResponse not found
-
-CONSOLE MESSAGE: line 79: --Origin-Trial enabled SW--
-disable() resolved with: undefined
-enable() resolved with: undefined
-getState() resolved with: {"enabled":true,"headerValue":"world"}
-setHeaderValue() resolved with: undefined
-log from SW
-Activate event handler
-disable() resolved with: undefined
-enable() resolved with: undefined
-getState() resolved with: {"enabled":true,"headerValue":"true"}
-setHeaderValue() resolved with: undefined
-Fetch event handler
-event.preloadResponse resolved with: [object Response]
-Text of preloadResponse: [Service-Worker-Navigation-Preload header set: hello]
-
-This is a testharness.js-based test.
-PASS Calling Navigation preload related methods for normal SW. 
-PASS Calling Navigation preload related methods for Origin-Trial enabled SW. 
-Harness: the test ran to completion.
-