|  | // Copyright 2017 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 BASE_WIN_SCOPED_WINDOWS_THREAD_ENVIRONMENT_H_ | 
|  | #define BASE_WIN_SCOPED_WINDOWS_THREAD_ENVIRONMENT_H_ | 
|  |  | 
|  | #include "base/macros.h" | 
|  |  | 
|  | namespace base { | 
|  | namespace win { | 
|  |  | 
|  | // Serves as a root class for ScopedCOMInitializer and ScopedWinrtInitializer. | 
|  | class ScopedWindowsThreadEnvironment { | 
|  | public: | 
|  | ScopedWindowsThreadEnvironment() {} | 
|  | virtual ~ScopedWindowsThreadEnvironment() {} | 
|  |  | 
|  | virtual bool Succeeded() const = 0; | 
|  |  | 
|  | private: | 
|  | DISALLOW_COPY_AND_ASSIGN(ScopedWindowsThreadEnvironment); | 
|  | }; | 
|  |  | 
|  | }  // namespace win | 
|  | }  // namespace base | 
|  |  | 
|  | #endif  // BASE_WIN_SCOPED_WINDOWS_THREAD_ENVIRONMENT_H_ |