Clean up PlatformThread.

webrtc/modules/audio_device/mac/audio_device_mac.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.
  */
 
@@ skipping 1647 matching lines @@
     }
 
     if (!_initialized)
     {
         WEBRTC_TRACE(kTraceError, kTraceAudioDevice, _id,
                      " Recording worker thread has not been started");
         return -1;
     }
 
     RTC_DCHECK(!capture_worker_thread_.get());
-    capture_worker_thread_ =
-        PlatformThread::CreateThread(RunCapture, this, "CaptureWorkerThread");
+    capture_worker_thread_.reset(
+        new rtc::PlatformThread(RunCapture, this, "CaptureWorkerThread"));
     RTC_DCHECK(capture_worker_thread_.get());
     capture_worker_thread_->Start();
-    capture_worker_thread_->SetPriority(kRealtimePriority);
+    capture_worker_thread_->SetPriority(rtc::kRealtimePriority);
 
     OSStatus err = noErr;
     if (_twoDevices)
     {
         WEBRTC_CA_RETURN_ON_ERR(AudioDeviceStart(_inputDeviceID, _inDeviceIOProcID));
     } else if (!_playing)
     {
         WEBRTC_CA_RETURN_ON_ERR(AudioDeviceStart(_inputDeviceID, _deviceIOProcID));
     }
 
@@ skipping 130 matching lines @@
     {
         return -1;
     }
 
     if (_playing)
     {
         return 0;
     }
 
     RTC_DCHECK(!render_worker_thread_.get());
-    render_worker_thread_ =
-        PlatformThread::CreateThread(RunRender, this, "RenderWorkerThread");
+    render_worker_thread_.reset(
+        new rtc::PlatformThread(RunRender, this, "RenderWorkerThread"));
     render_worker_thread_->Start();
-    render_worker_thread_->SetPriority(kRealtimePriority);
+    render_worker_thread_->SetPriority(rtc::kRealtimePriority);
 
     if (_twoDevices || !_recording)
     {
         OSStatus err = noErr;
         WEBRTC_CA_RETURN_ON_ERR(AudioDeviceStart(_outputDeviceID, _deviceIOProcID));
     }
     _playing = true;
 
     return 0;
 }
@@ skipping 1395 matching lines @@
                              kCGEventSourceStateHIDSystemState,
                              key_index);
     // A false -> true change in keymap means a key is pressed.
     key_down |= (keyState && !prev_key_state_[key_index]);
     // Save current state.
     prev_key_state_[key_index] = keyState;
   }
   return key_down;
 }
 }  // namespace webrtc