Web shell test to go back and forward.

ios/web/shell/test/web_shell_test_util.mm

+// Copyright 2016 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 "ios/web/shell/test/web_shell_test_util.h"

[Eugene But (OOO till 7-30), 2016/04/21 22:53:08]

s/include/import

[baxley, 2016/04/22 02:02:59]

Why should it be import? isn't web_shell_test_util.h mostly C++?

[Eugene But (OOO till 7-30), 2016/04/22 02:33:29]

Well mostly is not enough to be qualified for C++.
|#import "ios/web/shell/view_controller.h"| fully disqualifies this header as
C++ header.

[baxley, 2016/04/22 13:32:39]

Done.

+

[Eugene But (OOO till 7-30), 2016/04/21 22:53:08]

NIT: import UIKit since it's used here.

[baxley, 2016/04/22 02:02:59]

Done.

+namespace web {
+namespace web_shell_test_util {
+
+ViewController* GetCurrentViewController() {
+  return (ViewController*)[[[[UIApplication sharedApplication] delegate] window]
+      rootViewController];
+}
+
+}  // namespace web_shell_test_util
+}  // namespace web