Bluetooth API: add discovering changed events

chrome/browser/extensions/api/bluetooth/bluetooth_apitest_chromeos.cc

 // Copyright (c) 2012 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.
 
 #include <string.h>
 
 #include "chrome/browser/chromeos/bluetooth/bluetooth_adapter.h"
 #include "chrome/browser/chromeos/bluetooth/test/mock_bluetooth_adapter.h"
 #include "chrome/browser/chromeos/bluetooth/test/mock_bluetooth_device.h"
 #include "chrome/browser/chromeos/extensions/bluetooth_event_router.h"
@@ skipping 346 matching lines @@
   const extensions::Extension* extension =
       LoadExtension(test_data_dir_.AppendASCII("bluetooth"));
   GURL page_url = extension->GetResourceURL("test_events.html");
   ui_test_utils::NavigateToURL(browser(), page_url);
   EXPECT_TRUE(listener.WaitUntilSatisfied());
 
   event_router()->AdapterPoweredChanged(mock_adapter_, true);
   event_router()->AdapterPoweredChanged(mock_adapter_, false);
   event_router()->AdapterPresentChanged(mock_adapter_, true);
   event_router()->AdapterPresentChanged(mock_adapter_, false);
+  event_router()->AdapterDiscoveringChanged(mock_adapter_, true);
+  event_router()->AdapterDiscoveringChanged(mock_adapter_, false);
 
   listener.Reply("go");
 
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
 }