Removes usage of ListWrapper from several files.

BUG=2164
R=andrew@webrtc.org, pbos@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/6269004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5373 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/utility/interface/process_thread.h b/webrtc/modules/utility/interface/process_thread.h
index cdbb4d3..4db92a3 100644
--- a/webrtc/modules/utility/interface/process_thread.h
+++ b/webrtc/modules/utility/interface/process_thread.h
@@ -25,7 +25,7 @@
     virtual int32_t Start() = 0;
     virtual int32_t Stop() = 0;
 
-    virtual int32_t RegisterModule(const Module* module) = 0;
+    virtual int32_t RegisterModule(Module* module) = 0;
     virtual int32_t DeRegisterModule(const Module* module) = 0;
 protected:
     virtual ~ProcessThread();