Introduce chrome.displaySource API

extensions/test/data/api_test/display_source/api/background.js

+// Copyright (c) 2015 The Chromium Authors. All rights reserved.

[Reilly Grant (use Gerrit), 2015/11/10 18:51:34]

No "(c)" in new files.

[Mikhail, 2015/11/11 13:36:04]

Done.

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+var testGetAvailableSinks = function() {
+  var callback = function(sinks) {
+    chrome.test.assertEq(1, sinks.length);
+    var sink = sinks[0];
+    chrome.test.assertEq(1, sink.id);
+    chrome.test.assertEq("sink 1", sink.name);
+    chrome.test.succeed("GetAvailableSinks succeded");
+  };
+  chrome.displaySource.getAvailableSinks(callback);
+};
+
+var testOnSinksUpdated = function() {
+  var callback = function(sinks) {
+    chrome.test.assertEq(2, sinks.length);
+    var sink = sinks[1];
+    chrome.test.assertEq(2, sink.id);
+    chrome.test.assertEq("sink 2", sink.name);
+    chrome.test.succeed("onSinksUpdated event delivered");
+  };
+  chrome.displaySource.onSinksUpdated.addListener(callback);
+};
+
+var testRequestAuthentication = function() {
+  var callback = function(auth_info) {
+    chrome.test.assertEq("pbc", auth_info.method);
+    chrome.test.succeed("RequestAuthentication succeded");
+  };
+  chrome.displaySource.requestAuthentication(1, callback);
+};
+
+chrome.test.runTests([testGetAvailableSinks,
+                      testOnSinksUpdated,
+                      testRequestAuthentication]);