Revert 8810 "- Add a SetPriority method to ThreadWrapper"
Seeing if this is causing roll issues.

> - 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

TBR=tommi@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/48609004

Cr-Commit-Position: refs/heads/master@{#8818}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8818 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/utility/source/process_thread_impl.cc b/webrtc/modules/utility/source/process_thread_impl.cc
index 5b50539..33a1c4f 100644
--- a/webrtc/modules/utility/source/process_thread_impl.cc
+++ b/webrtc/modules/utility/source/process_thread_impl.cc
@@ -70,7 +70,7 @@
     m.module->ProcessThreadAttached(this);
 
   thread_ = ThreadWrapper::CreateThread(
-      &ProcessThreadImpl::Run, this, "ProcessThread");
+      &ProcessThreadImpl::Run, this, kNormalPriority, "ProcessThread");
   CHECK(thread_->Start());
 }