Clean up PlatformThread.

webrtc/base/signalthread.h

 /*
  *  Copyright 2004 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.
  */
 
@@ skipping 27 matching lines @@
 
 class SignalThread
     : public sigslot::has_slots<>,
       protected MessageHandler {
  public:
   SignalThread();
 
   // Context: Main Thread.  Call before Start to change the worker's name.
   bool SetName(const std::string& name, const void* obj);
 
-  // Context: Main Thread.  Call before Start to change the worker's priority.
-  bool SetPriority(ThreadPriority priority);
-
   // Context: Main Thread.  Call to begin the worker thread.
   void Start();
 
   // Context: Main Thread.  If the worker thread is not running, deletes the
   // object immediately.  Otherwise, asks the worker thread to abort processing,
   // and schedules the object to be deleted once the worker exits.
   // SignalWorkDone will not be signalled.  If wait is true, does not return
   // until the thread is deleted.
   void Destroy(bool wait);
 
@@ skipping 87 matching lines @@
   int refcount_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(SignalThread);
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_SIGNALTHREAD_H_