Bug 65146. Fix deadlock potential in proxy code; remove unncessary locks from nsPipe2. r=darin,dougt; sr=brendan

git-svn-id: svn://10.0.0.236/trunk@86858 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/xpcom/proxy/src/nsProxyEvent.cpp

@@ -296,10 +296,7 @@ nsProxyObject::Release(void)
                      ProxyDestructorEventHandler,
                      ProxyDestructorDestroyHandler);  
 
-        // fire it off.
-        mDestQueue->PostSynchronousEvent(event, nsnull);
-        
-        PR_DELETE(event);
+        mDestQueue->PostEvent(event);
         return 0;
   }                          
   return mRefCnt;
@@ -540,5 +537,6 @@ static void* ProxyDestructorEventHandler(PLEvent *self)
 
 static void ProxyDestructorDestroyHandler(PLEvent *self)
 {
+    PR_DELETE(self);
 }