Introduce Origin-Trial for Service Worker Navigation Preload

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

Index: third_party/WebKit/LayoutTests/http/tests/serviceworker/chromium/resources/navigation-preload-origin-trial-methods-worker.php
diff --git a/third_party/WebKit/LayoutTests/http/tests/serviceworker/chromium/resources/navigation-preload-origin-trial-methods-worker.php b/third_party/WebKit/LayoutTests/http/tests/serviceworker/chromium/resources/navigation-preload-origin-trial-methods-worker.php
new file mode 100644
index 0000000000000000000000000000000000000000..5224c93e50327583279afe14dcacc8f221e22cb0
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/http/tests/serviceworker/chromium/resources/navigation-preload-origin-trial-methods-worker.php
@@ -0,0 +1,64 @@
+<?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');
+?>
+var log = '';
+
+self.addEventListener('activate', event => {
+  log += 'Activate event handler\n';
+  if (!self.registration.navigationPreload) {
+    log += 'registration.navigationPreload not found\n';
+    return;
+  }
+  event.waitUntil(
+    registration.navigationPreload.disable()
+      .then(
+        result => { log += 'disable() resolved with: ' + result + '\n';},
+        error => { log += 'disable() rejected with: ' + error + '\n';})
+      .then(_ => registration.navigationPreload.enable())
+      .then(
+        result => { log += 'enable() resolved with: ' + result + '\n';},
+        error => { log += 'enable() rejected with: ' + error + '\n';})
+      .then(_ => registration.navigationPreload.getState())
+      .then(
+        result => {
+          log += 'getState() resolved with: ' + JSON.stringify(result) + '\n';
+        },
+        error => { log += 'getState() rejected with: ' + error + '\n';})
+      .then(_ => registration.navigationPreload.setHeaderValue('world'))
+      .then(
+        result => { log += 'setHeaderValue() resolved with: ' + result + '\n';},
+        error => { log += 'setHeaderValue() rejected with: ' + error + '\n';}));
+});
+
+self.addEventListener('message', event => {
+  event.source.postMessage(log);
+});
+
+self.addEventListener('fetch', event => {
+  log += 'Fetch event handler\n';
+  if (!event.preloadResponse) {
+    log += 'event.preloadResponse not found\n';
+  } else {
+    event.respondWith(
+      event.preloadResponse
+      .then(
+          res => {
+            log += 'event.preloadResponse resolved with: ' + res + '\n';
+            if (!res) {
+              return new Response('');
+            }
+            return res.text().then(text => {
+              log += 'Text of preloadResponse: [' + text + ']\n';
+              return new Response('');
+            })
+          },
+          err => {
+            log += 'event.preloadResponse rejected with: ' + err + '\n';
+            return new Response('');
+          }));
+  }
+});