Remove ListenableFuture.content, close AsyncHttpClient#393

Author: Stephane Landelle

api/src/main/java/org/asynchttpclient/ListenableFuture.java

@@ -54,13 +54,6 @@ public interface ListenableFuture<V> extends Future<V> {
      */
     void abort(Throwable t);
 
-    /**
-     * Set the content that will be returned by this instance
-     *
-     * @param v the content that will be returned by this instance
-     */
-    void content(V v);
-
     /**
      * Touch the current instance to prevent external service to times out.
      */

providers/grizzly/src/main/java/org/asynchttpclient/providers/grizzly/GrizzlyResponseFuture.java

@@ -92,14 +92,6 @@ public void abort(Throwable t) {
 
     }
 
-
-    public void content(V v) {
-
-        delegate.result(v);
-
-    }
-
-
     public void touch() {
 
         provider.touchConnection(connection, request);

providers/netty/src/main/java/org/asynchttpclient/providers/netty/future/NettyResponseFuture.java

@@ -323,10 +323,6 @@ public final void abort(final Throwable t) {
         runListeners();
     }
 
-    public void content(V v) {
-        content.set(v);
-    }
-
     public final Request getRequest() {
         return request;
     }