Add audible, muted to Tab, c.t.query, c.t.update, and c.t.onUpdated where relevant

chrome/test/data/extensions/api_test/tab_capture/api_tests.js

 // Copyright 2014 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.
 
 var tabCapture = chrome.tabCapture;
 
 chrome.test.runTests([
   function captureTabAndVerifyStateTransitions() {
     // Tab capture events in the order they happen.
     var tabCaptureEvents = [];
@@ skipping 11 matching lines @@
     };
     tabCapture.onStatusChanged.addListener(tabCaptureListener);
 
     tabCapture.capture({audio: true, video: true}, function(stream) {
       chrome.test.assertTrue(!!stream);
       stream.stop();
     });
   },
 
   function getCapturedTabs() {
-    chrome.tabs.create({active:true}, function(secondTab) {
+    chrome.tabs.create({active: true}, function(secondTab) {
       // chrome.tabCapture.capture() will only capture the active tab.
       chrome.test.assertTrue(secondTab.active);
 
       function checkInfoForSecondTabHasStatus(infos, status) {
         for (var i = 0; i < infos.length; ++i) {
           if (infos[i].tabId == secondTab) {
             chrome.test.assertNe(null, status);
             chrome.test.assertEq(status, infos[i].status);
             chrome.test.assertEq(false, infos[i].fullscreen);
             return;
@@ skipping 47 matching lines @@
       chrome.test.succeed();
     };
 
     tabCapture.capture({audio: true, video: true}, function(stream) {
       chrome.test.assertTrue(!!stream);
       stream1 = stream;
       tabCapture.capture({audio: true, video: true}, tabMediaRequestCallback2);
     });
   },
 
+  function tabIsUnmutedWhenTabCaptured() {
+    var stream1 = null;
+
+    chrome.tabs.getCurrent(function(tab) {
+      var stopListener = chrome.test.listenForever(chrome.tabs.onUpdated,
+          function(tabId, changeInfo, updatedTab) {
+        if ((changeInfo["muted"] === true)) {
+          tabCapture.capture({audio: true}, function(stream) {
+            stream1 = stream;
+          });
+        }
+        else if ((changeInfo["mutedCause"] == "capture") &&
+                 (changeInfo["muted"] === false)) {
+          stream1.stop();
+          stopListener();
+        }
+      });
+
+      chrome.tabs.update(tab.id, {muted: true});
+    });
+  },
+
   function onlyVideo() {
     tabCapture.capture({video: true}, function(stream) {
       chrome.test.assertTrue(!!stream);
       stream.stop();
       chrome.test.succeed();
     });
   },
 
   function onlyAudio() {
     tabCapture.capture({audio: true}, function(stream) {
       chrome.test.assertTrue(!!stream);
       stream.stop();
       chrome.test.succeed();
     });
   },
 
   function noAudioOrVideoRequested() {
     // If not specified, video is not requested.
     tabCapture.capture({audio: false}, function(stream) {
       chrome.test.assertTrue(!stream);
       chrome.test.succeed();
     });
   }
 ]);