Move apps/shell to extensions/shell.

extensions/shell/browser/shell_browsertest.cc

 // 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.
 
-#include "apps/shell/test/shell_test.h"
-
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/test/test_utils.h"
 #include "extensions/common/extension_paths.h"
+#include "extensions/shell/test/shell_test.h"
 
-namespace apps {
+namespace extensions {
 
 // Test that we can open an app window and wait for it to load.
 IN_PROC_BROWSER_TEST_F(AppShellTest, Basic) {
   base::FilePath test_data_dir;
 
   content::WindowedNotificationObserver test_pass_observer(
       chrome::NOTIFICATION_EXTENSION_TEST_PASSED,
       content::NotificationService::AllSources());
 
   PathService::Get(extensions::DIR_TEST_DATA, &test_data_dir);
   test_data_dir = test_data_dir.AppendASCII("platform_app");
   LoadAndLaunchApp(test_data_dir);
 
   test_pass_observer.Wait();
 }
 
-}  // namespace apps
+}  // namespace extensions