[Modify] Remove some locks

websocket-sharp/Net/HttpListener.cs

@@ -492,7 +492,6 @@ namespace WebSocketSharp.Net
 
     private HttpListenerAsyncResult getAsyncResultFromQueue ()
     {
-      lock (_waitQueueSync) {
       if (_waitQueue.Count == 0)
         return null;
 
@@ -501,11 +500,9 @@ namespace WebSocketSharp.Net
 
       return ares;
     }
-    }
 
     private HttpListenerContext getContextFromQueue ()
     {
-      lock (_ctxQueueSync) {
       if (_ctxQueue.Count == 0)
         return null;
 
@@ -514,7 +511,6 @@ namespace WebSocketSharp.Net
 
       return ctx;
     }
-    }
 
     #endregion
 
@@ -572,13 +568,10 @@ namespace WebSocketSharp.Net
           throw new HttpListenerException (995);
 
         var ctx = getContextFromQueue ();
-        if (ctx == null) {
-          lock (_waitQueueSync)
+        if (ctx == null)
           _waitQueue.Add (asyncResult);
-        }
-        else {
+        else
           asyncResult.Complete (ctx, true);
-        }
 
         return asyncResult;
       }
@@ -602,13 +595,10 @@ namespace WebSocketSharp.Net
         _ctxRegistry[context] = context;
 
         var ares = getAsyncResultFromQueue ();
-        if (ares == null) {
-          lock (_ctxQueueSync)
+        if (ares == null)
           _ctxQueue.Add (context);
-        }
-        else {
+        else
           ares.Complete (context);
-        }
 
         return true;
       }