- Add a SetPriority method to ThreadWrapper

- Remove 'priority' from CreateThread and related member variables from implementations
- Make supplying a name for threads, non-optional

BUG=
R=magjed@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/44729004

Cr-Commit-Position: refs/heads/master@{#8810}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8810 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/modules/video_render/windows/video_render_direct3d9.cc

@@ -295,8 +295,8 @@ VideoRenderDirect3D9::VideoRenderDirect3D9(Trace* trace,
     _totalMemory(0),
     _availableMemory(0)
 {
-    _screenUpdateThread = ThreadWrapper::CreateThread(ScreenUpdateThreadProc,
-                                                      this, kRealtimePriority);
+    _screenUpdateThread = ThreadWrapper::CreateThread(
+        ScreenUpdateThreadProc, this, "ScreenUpdateThread");
     _screenUpdateEvent = EventWrapper::Create();
     SetRect(&_originalHwndRect, 0, 0, 0, 0);
 }
@@ -547,6 +547,7 @@ int32_t VideoRenderDirect3D9::Init()
         return -1;
     }
     _screenUpdateThread->Start();
+    _screenUpdateThread->SetPriority(kRealtimePriority);
 
     // Start the event triggering the render process
     unsigned int monitorFreq = 60;