Adds HotwordPrivate API for integrating the hotword feature to AppLauncher

chrome/test/data/extensions/api_test/hotword_private/hotwordSession/test.js

Index: chrome/test/data/extensions/api_test/hotword_private/hotwordSession/test.js
diff --git a/chrome/test/data/extensions/api_test/hotword_private/hotwordSession/test.js b/chrome/test/data/extensions/api_test/hotword_private/hotwordSession/test.js
new file mode 100644
index 0000000000000000000000000000000000000000..7f58b17e5133dafd27b2cf1b026ffe931af9b533
--- /dev/null
+++ b/chrome/test/data/extensions/api_test/hotword_private/hotwordSession/test.js
@@ -0,0 +1,28 @@
+// 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.
+
+chrome.test.runTests([
+  function hotwordSessionTest() {
+    chrome.hotwordPrivate.onHotwordSessionRequested.addListener(function () {
+      chrome.hotwordPrivate.setHotwordSessionState(true, function() {
+        chrome.hotwordPrivate.notifyHotwordRecognition('search', function() {
+          chrome.hotwordPrivate.onHotwordSessionStopped.addListener(
+              function() {
+                // Calling setHotwordSessionState and
+                // notifyHotwordRecognition after stopped should be ignored.
+                chrome.hotwordPrivate.setHotwordSessionState(false, function() {
+                  chrome.hotwordPrivate.notifyHotwordRecognition(
+                      'search', function() {
+                        chrome.test.sendMessage("stopped");
+                        chrome.test.succeed();
+                      });
+                });
+              });
+          chrome.test.sendMessage("stopReady");
+        });
+      });
+    });
+    chrome.test.sendMessage("ready");
+  }
+]);