- 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
diff --git a/webrtc/system_wrappers/source/thread.cc b/webrtc/system_wrappers/source/thread.cc
index 957388b..b469344 100644
--- a/webrtc/system_wrappers/source/thread.cc
+++ b/webrtc/system_wrappers/source/thread.cc
@@ -25,10 +25,9 @@
 #endif
 
 rtc::scoped_ptr<ThreadWrapper> ThreadWrapper::CreateThread(
-    ThreadRunFunction func, void* obj, ThreadPriority prio,
-    const char* thread_name) {
+    ThreadRunFunction func, void* obj, const char* thread_name) {
   return rtc::scoped_ptr<ThreadWrapper>(
-      new ThreadType(func, obj, prio, thread_name)).Pass();
+      new ThreadType(func, obj, thread_name)).Pass();
 }
 
 }  // namespace webrtc