Introduce new constructor to PlatformThread.

webrtc/base/task_queue.h

 /*
  *  Copyright 2016 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 214 matching lines @@
 
   template <class Closure1, class Closure2>
   void PostTaskAndReply(const Closure1& task, const Closure2& reply) {
     PostTaskAndReply(
         std::unique_ptr<QueuedTask>(new ClosureTask<Closure1>(task)),
         std::unique_ptr<QueuedTask>(new ClosureTask<Closure2>(reply)));
   }
 
  private:
 #if defined(WEBRTC_BUILD_LIBEVENT)
-  static bool ThreadMain(void* context);
+  static void ThreadMain(void* context);
   static void OnWakeup(int socket, short flags, void* context);  // NOLINT
   static void RunTask(int fd, short flags, void* context);       // NOLINT
   static void RunTimer(int fd, short flags, void* context);      // NOLINT
 
   class PostAndReplyTask;
   class SetTimerTask;
 
   void PrepareReplyTask(PostAndReplyTask* reply_task);
   void ReplyTaskDone(PostAndReplyTask* reply_task);
 
@@ skipping 10 matching lines @@
 #elif defined(WEBRTC_MAC)
   struct QueueContext;
   struct TaskContext;
   struct PostTaskAndReplyContext;
   dispatch_queue_t queue_;
   QueueContext* const context_;
 #elif defined(WEBRTC_WIN)
   class MultimediaTimer;
   typedef std::unordered_map<UINT_PTR, std::unique_ptr<QueuedTask>>
       DelayedTasks;
-  static bool ThreadMain(void* context);
+  static void ThreadMain(void* context);
   static bool ProcessQueuedMessages(DelayedTasks* delayed_tasks,
                                     std::vector<MultimediaTimer>* timers);
 
   class WorkerThread : public PlatformThread {
    public:
     WorkerThread(ThreadRunFunction func, void* obj, const char* thread_name)
         : PlatformThread(func, obj, thread_name) {}
 
     bool QueueAPC(PAPCFUNC apc_function, ULONG_PTR data) {
       return PlatformThread::QueueAPC(apc_function, data);
     }
   };
   WorkerThread thread_;
 #else
 #error not supported.
 #endif
 
   RTC_DISALLOW_COPY_AND_ASSIGN(TaskQueue);
 };
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_TASK_QUEUE_H_