Clean up PlatformThread.

webrtc/modules/video_render/mac/video_render_agl.cc

Index: webrtc/modules/video_render/mac/video_render_agl.cc
diff --git a/webrtc/modules/video_render/mac/video_render_agl.cc b/webrtc/modules/video_render/mac/video_render_agl.cc
index 32fa60739cd08dfcdf45a1923b945bb293b74616..3243563b2bf901e1e268637273247fa0e72ba3f2 100644
--- a/webrtc/modules/video_render/mac/video_render_agl.cc
+++ b/webrtc/modules/video_render/mac/video_render_agl.cc
@@ -395,8 +395,8 @@ _renderingIsPaused( false),
 {
     //WEBRTC_TRACE(kTraceInfo, kTraceVideoRenderer, _id, "%s");
 
-    _screenUpdateThread = PlatformThread::CreateThread(ScreenUpdateThreadProc,
-                                                       this, "ScreenUpdate");
+    _screenUpdateThread.reset(
+        new rtc::PlatformThread(ScreenUpdateThreadProc, this, "ScreenUpdate"));
     _screenUpdateEvent = EventWrapper::Create();
 
     if(!IsValidWindowPtr(_windowRef))
@@ -512,8 +512,8 @@ _renderingIsPaused( false),
     //WEBRTC_TRACE(kTraceDebug, "%s:%d Constructor", __FUNCTION__, __LINE__);
     //    _renderCritSec = CriticalSectionWrapper::CreateCriticalSection();
 
-    _screenUpdateThread = PlatformThread::CreateThread(
-        ScreenUpdateThreadProc, this, "ScreenUpdateThread");
+    _screenUpdateThread.reset(new rtc::PlatformThread(
+        ScreenUpdateThreadProc, this, "ScreenUpdateThread"));
     _screenUpdateEvent = EventWrapper::Create();
 
     GetWindowRect(_windowRect);
@@ -677,7 +677,7 @@ VideoRenderAGL::~VideoRenderAGL()
 #endif
 
     // Signal event to exit thread, then delete it
-    PlatformThread* tmpPtr = _screenUpdateThread.release();
+    rtc::PlatformThread* tmpPtr = _screenUpdateThread.release();
 
     if (tmpPtr)
     {
@@ -739,7 +739,7 @@ int VideoRenderAGL::Init()
         return -1;
     }
     _screenUpdateThread->Start();
-    _screenUpdateThread->SetPriority(kRealtimePriority);
+    _screenUpdateThread->SetPriority(rtc::kRealtimePriority);
 
     // Start the event triggering the render process
     unsigned int monitorFreq = 60;
@@ -856,7 +856,7 @@ int VideoRenderAGL::DeleteAGLChannel(int channel)
 int VideoRenderAGL::StopThread()
 {
     CriticalSectionScoped cs(&_renderCritSec);
-    PlatformThread* tmpPtr = _screenUpdateThread.release();
+    rtc::PlatformThread* tmpPtr = _screenUpdateThread.release();
 
     if (tmpPtr)
     {
@@ -1880,7 +1880,7 @@ int32_t VideoRenderAGL::StartRender()
             UnlockAGLCntx();
             return -1;
         }
-        _screenUpdateThread->SetPriority(kRealtimePriority);
+        _screenUpdateThread->SetPriority(rtc::kRealtimePriority);
         if(FALSE == _screenUpdateEvent->StartTimer(true, 1000/MONITOR_FREQ))
         {
             //WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id, "%s:%d Failed to start screenUpdateEvent", __FUNCTION__, __LINE__);
@@ -1891,8 +1891,8 @@ int32_t VideoRenderAGL::StartRender()
         return 0;
     }
 
-    _screenUpdateThread = PlatformThread::CreateThread(ScreenUpdateThreadProc,
-                                                       this, "ScreenUpdate");
+    _screenUpdateThread.reset(
+        new rtc::PlatformThread(ScreenUpdateThreadProc, this, "ScreenUpdate"));
     _screenUpdateEvent = EventWrapper::Create();
 
     if (!_screenUpdateThread)
@@ -1903,14 +1903,13 @@ int32_t VideoRenderAGL::StartRender()
     }
 
     _screenUpdateThread->Start();
-    _screenUpdateThread->SetPriority(kRealtimePriority);
+    _screenUpdateThread->SetPriority(rtc::kRealtimePriority);
     _screenUpdateEvent->StartTimer(true, 1000/MONITOR_FREQ);
 
     //WEBRTC_TRACE(kTraceInfo, kTraceVideoRenderer, _id, "%s:%d Started screenUpdateThread", __FUNCTION__, __LINE__);
 
     UnlockAGLCntx();
     return 0;
-
 }
 
 int32_t VideoRenderAGL::StopRender()