Revert of Change ProcessThread's task type to be the one from TaskQueue.

webrtc/modules/utility/source/process_thread_impl.cc

 /*
  *  Copyright (c) 2012 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.
  */
 
 #include "webrtc/modules/utility/source/process_thread_impl.h"
 
 #include "webrtc/base/checks.h"
-#include "webrtc/base/task_queue.h"
 #include "webrtc/base/timeutils.h"
 #include "webrtc/modules/include/module.h"
 #include "webrtc/system_wrappers/include/logging.h"
 
 namespace webrtc {
 namespace {
 
 // We use this constant internally to signal that a module has requested
 // a callback right away.  When this is set, no call to TimeUntilNextProcess
 // should be made, but Process() should be called directly.
@@ skipping 88 matching lines @@
   {
     rtc::CritScope lock(&lock_);
     for (ModuleCallback& m : modules_) {
       if (m.module == module)
         m.next_callback = kCallProcessImmediately;
     }
   }
   wake_up_->Set();
 }
 
-void ProcessThreadImpl::PostTask(std::unique_ptr<rtc::QueuedTask> task) {
+void ProcessThreadImpl::PostTask(std::unique_ptr<ProcessTask> task) {
   // Allowed to be called on any thread.
   {
     rtc::CritScope lock(&lock_);
     queue_.push(task.release());
   }
   wake_up_->Set();
 }
 
 void ProcessThreadImpl::RegisterModule(Module* module) {
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
@@ skipping 78 matching lines @@
         // of calculating how long we should wait, to reduce variance.
         int64_t new_now = rtc::TimeMillis();
         m.next_callback = GetNextCallbackTime(m.module, new_now);
       }
 
       if (m.next_callback < next_checkpoint)
         next_checkpoint = m.next_callback;
     }
 
     while (!queue_.empty()) {
-      rtc::QueuedTask* task = queue_.front();
+      ProcessTask* task = queue_.front();
       queue_.pop();
       lock_.Leave();
       task->Run();
       delete task;
       lock_.Enter();
     }
   }
 
   int64_t time_to_wait = next_checkpoint - rtc::TimeMillis();
   if (time_to_wait > 0)
     wake_up_->Wait(static_cast<unsigned long>(time_to_wait));
 
   return true;
 }
 }  // namespace webrtc