[Presentation API] Add browser tests for 1-UA mode

chrome/test/media_router/resources/common.js

 /**
  * Copyright 2015 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  *
  * @fileoverview Common APIs for presentation integration tests.
  *
  */
 
 var startSessionPromise = null;
 var startedConnection = null;
 var reconnectedSession = null;
 var presentationUrl = null;
-if (window.location.href.indexOf('__is_android__=true') >= 0) {
+let params = (new URL(window.location.href)).searchParams;
+
+if (params.get('__is_android__') == 'true') {
   // For android, "google.com/cast" is required in presentation URL.
   // TODO(zqzhang): this requirement may be removed in the future.
   presentationUrl = "https://google.com/cast#__castAppId__=CCCCCCCC/";
+} else if (params.get('__oneUA__') == 'true') {
+  presentationUrl =
+      "presentation_receiver.html#__testprovider__=true&__oneUA__=true";
+} else if (params.get('__oneUANoReceiver__') == 'true') {
+  presentationUrl = "https://www.google.com#__testprovider__=true&__oneUA__=true";
 } else {
   presentationUrl = "http://www.google.com/#__testprovider__=true";
 }
+
 var startSessionRequest = new PresentationRequest([presentationUrl]);
 var defaultRequestSessionId = null;
 var lastExecutionResult = null;
 var useDomAutomationController = !!window.domAutomationController;
 
 window.navigator.presentation.defaultRequest = startSessionRequest;
 window.navigator.presentation.defaultRequest.onconnectionavailable = function(e)
 {
   defaultRequestSessionId = e.connection.id;
 };
@@ skipping 188 matching lines @@
       sendResult(false, 'Expected message: ' + expectedResponse +
           ', but got: ' + actualResponse);
       return;
     }
     sendResult(true, '');
   };
   startedConnection.send(message);
 }
 
 /**
+ * Sends 'close' to receiver page, and expects receiver page closing
+ * the connection.
+ */
+function initiateCloseFromReceiverPage() {
+  if (!startedConnection) {
+    sendResult(false, 'startedConnection does not exist.');
+    return;
+  }
+  startedConnection.onclose = (event) => {
+    const reason = event.reason;
+    if (reason != 'closed') {
+      sendResult(false, 'Unexpected close reason: ' + reason);
+      return;
+    }
+    sendResult(true, '');
+  };
+  startedConnection.send('close');
+}
+
+/**
  * Reconnects to |sessionId| and verifies that it succeeds.
  * @param {!string} sessionId ID of session to reconnect.
  */
 function reconnectSession(sessionId) {
   var reconnectSessionRequest = new PresentationRequest(presentationUrl);
   reconnectSessionRequest.reconnect(sessionId).then(function(session) {
     if (!session) {
       sendResult(false, 'reconnectSession returned null session');
     } else {
       reconnectedSession = session;
@@ skipping 36 matching lines @@
       passed: passed,
       errorMessage: errorMessage
     }));
   } else {
     lastExecutionResult = JSON.stringify({
       passed: passed,
       errorMessage: errorMessage
     });
   }
 }