|  | // 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. | 
|  |  | 
|  | #ifndef COMPONENTS_TEST_RUNNER_LAYOUT_AND_PAINT_ASYNC_THEN_H_ | 
|  | #define COMPONENTS_TEST_RUNNER_LAYOUT_AND_PAINT_ASYNC_THEN_H_ | 
|  |  | 
|  | #include "base/callback_forward.h" | 
|  | #include "components/test_runner/test_runner_export.h" | 
|  |  | 
|  | namespace blink { | 
|  | class WebWidget; | 
|  | }  // namespace blink | 
|  |  | 
|  | namespace test_runner { | 
|  |  | 
|  | // Triggers a layout and paint of |web_widget| and its popup (if any). | 
|  | // Calls |callback| after the layout and paint happens (for both the | 
|  | // |web_widget| and its popup (if any)). | 
|  | TEST_RUNNER_EXPORT void LayoutAndPaintAsyncThen(blink::WebWidget* web_widget, | 
|  | const base::Closure& callback); | 
|  |  | 
|  | }  // namespace test_runner | 
|  |  | 
|  | #endif  // COMPONENTS_TEST_RUNNER_LAYOUT_AND_PAINT_ASYNC_THEN_H_ |