Move ThreadWrapper to ProcessThread in base.

webrtc/system_wrappers/source/thread_win.h

Index: webrtc/system_wrappers/source/thread_win.h
diff --git a/webrtc/system_wrappers/source/thread_win.h b/webrtc/system_wrappers/source/thread_win.h
deleted file mode 100644
index 34edd6d6c0743fb74786a5aef2154a3e88174e6f..0000000000000000000000000000000000000000
--- a/webrtc/system_wrappers/source/thread_win.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef WEBRTC_SYSTEM_WRAPPERS_SOURCE_THREAD_WIN_H_
-#define WEBRTC_SYSTEM_WRAPPERS_SOURCE_THREAD_WIN_H_
-
-#include "webrtc/system_wrappers/include/thread_wrapper.h"
-
-#include <windows.h>
-
-#include "webrtc/base/thread_checker.h"
-
-namespace webrtc {
-
-class ThreadWindows : public ThreadWrapper {
- public:
-  ThreadWindows(ThreadRunFunction func, void* obj, const char* thread_name);
-  ~ThreadWindows() override;
-
-  bool Start() override;
-  bool Stop() override;
-
-  bool SetPriority(ThreadPriority priority) override;
-
- protected:
-  void Run();
-
- private:
-  static DWORD WINAPI StartThread(void* param);
-
-  ThreadRunFunction const run_function_;
-  void* const obj_;
-  bool stop_;
-  HANDLE thread_;
-  const std::string name_;
-  rtc::ThreadChecker main_thread_;
-};
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_SYSTEM_WRAPPERS_SOURCE_THREAD_WIN_H_