1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef ANDROID_WEBVIEW_BROWSER_SCOPED_ALLOW_WAIT_FOR_LEGACY_WEB_VIEW_API_H
6 #define ANDROID_WEBVIEW_BROWSER_SCOPED_ALLOW_WAIT_FOR_LEGACY_WEB_VIEW_API_H
8 #include "base/threading/thread_restrictions.h"
10 // This class is only available when building the chromium back-end for android
11 // webview: it is required where API backward compatibility demands that the UI
12 // thread must block waiting on other threads e.g. to obtain a synchronous
13 // return value. Long term, asynchronous overloads of all such methods will be
14 // added in the public API, and and no new uses of this will be allowed.
15 class ScopedAllowWaitForLegacyWebViewApi {
17 base::ThreadRestrictions::ScopedAllowWait wait;
20 #endif // ANDROID_WEBVIEW_BROWSER_SCOPED_ALLOW_WAIT_FOR_LEGACY_WEB_VIEW_API_H