Move ThreadWrapper to ProcessThread in base.

webrtc/common_video/include/incoming_video_stream.h

Index: webrtc/common_video/include/incoming_video_stream.h
diff --git a/webrtc/common_video/include/incoming_video_stream.h b/webrtc/common_video/include/incoming_video_stream.h
index cd0d65385e886b5453bc28c752d693b7c29e145e..93bc1baf5bfa8021b3c48f911e0bf4b4d8e65a48 100644
--- a/webrtc/common_video/include/incoming_video_stream.h
+++ b/webrtc/common_video/include/incoming_video_stream.h
@@ -18,7 +18,7 @@
 namespace webrtc {
 class CriticalSectionWrapper;
 class EventTimerWrapper;
-class ThreadWrapper;
+class PlatformThread;
 
 class VideoRenderCallback {
  public:
@@ -77,7 +77,7 @@ class IncomingVideoStream : public VideoRenderCallback {
   const rtc::scoped_ptr<CriticalSectionWrapper> stream_critsect_;
   const rtc::scoped_ptr<CriticalSectionWrapper> thread_critsect_;
   const rtc::scoped_ptr<CriticalSectionWrapper> buffer_critsect_;
-  rtc::scoped_ptr<ThreadWrapper> incoming_render_thread_
+  rtc::scoped_ptr<PlatformThread> incoming_render_thread_
       GUARDED_BY(thread_critsect_);
   rtc::scoped_ptr<EventTimerWrapper> deliver_buffer_event_;