Fix for AsyncHttpClient#49 [websocket] API shoud be using the same name

Author: jfarcand

src/main/java/com/ning/http/client/providers/grizzly/GrizzlyAsyncHttpProvider.java

@@ -2598,7 +2598,7 @@ public WebSocket sendPong(byte[] payload) {
         }
 
         @Override
-        public WebSocket addMessageListener(WebSocketListener l) {
+        public WebSocket addWebSocketListener(WebSocketListener l) {
             gWebSocket.add(new AHCWebSocketListenerAdapter(l, this));
             return this;
         }

src/main/java/com/ning/http/client/providers/netty/NettyWebSocket.java

@@ -75,7 +75,7 @@ public WebSocket sendPong(byte[] payload) {
     }
 
     @Override
-    public WebSocket addMessageListener(WebSocketListener l) {
+    public WebSocket addWebSocketListener(WebSocketListener l) {
         listeners.add(l);
         return this;
     }

src/main/java/com/ning/http/client/websocket/WebSocket.java

@@ -85,7 +85,7 @@ public interface WebSocket {
      * @param l a {@link WebSocketListener}
      * @return this
      */
-    WebSocket addMessageListener(WebSocketListener l);
+    WebSocket addWebSocketListener(WebSocketListener l);
 
     /**
      * Returns <code>true</code> if the WebSocket is open/connected.

src/main/java/com/ning/http/client/websocket/WebSocketUpgradeHandler.java

@@ -94,7 +94,7 @@ public final WebSocket onCompleted() throws Exception {
     public final void onSuccess(WebSocket webSocket) {
         this.webSocket = webSocket;
         for (WebSocketListener w : l) {
-            webSocket.addMessageListener(w);
+            webSocket.addWebSocketListener(w);
             w.onOpen(webSocket);
         }
         ok.set(true);
@@ -107,7 +107,7 @@ public final void onSuccess(WebSocket webSocket) {
     public final void onFailure(Throwable t) {
         for (WebSocketListener w : l) {
             if (!ok.get() && webSocket != null) {
-                webSocket.addMessageListener(w);
+                webSocket.addWebSocketListener(w);
             }
             w.onError(t);
         }