--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.net.http/share/classes/jdk/internal/net/http/HttpClientFacade.java	Tue Apr 17 08:54:17 2018 -0700
@@ -0,0 +1,155 @@
+/*
+ * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package jdk.internal.net.http;
+
+import java.io.IOException;
+import java.lang.ref.Reference;
+import java.net.Authenticator;
+import java.net.CookieHandler;
+import java.net.ProxySelector;
+import java.util.Optional;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.Executor;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLParameters;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.net.http.HttpResponse.BodyHandler;
+import java.net.http.HttpResponse.PushPromiseHandler;
+import java.net.http.WebSocket;
+import jdk.internal.net.http.common.OperationTrackers.Trackable;
+import jdk.internal.net.http.common.OperationTrackers.Tracker;
+
+/**
+ * An HttpClientFacade is a simple class that wraps an HttpClient implementation
+ * and delegates everything to its implementation delegate.
+ */
+final class HttpClientFacade extends HttpClient implements Trackable {
+
+    final HttpClientImpl impl;
+
+    /**
+     * Creates an HttpClientFacade.
+     */
+    HttpClientFacade(HttpClientImpl impl) {
+        this.impl = impl;
+    }
+
+    @Override // for tests
+    public Tracker getOperationsTracker() {
+        return impl.getOperationsTracker();
+    }
+
+    @Override
+    public Optional<CookieHandler> cookieHandler() {
+        return impl.cookieHandler();
+    }
+
+    @Override
+    public Redirect followRedirects() {
+        return impl.followRedirects();
+    }
+
+    @Override
+    public Optional<ProxySelector> proxy() {
+        return impl.proxy();
+    }
+
+    @Override
+    public SSLContext sslContext() {
+        return impl.sslContext();
+    }
+
+    @Override
+    public SSLParameters sslParameters() {
+        return impl.sslParameters();
+    }
+
+    @Override
+    public Optional<Authenticator> authenticator() {
+        return impl.authenticator();
+    }
+
+    @Override
+    public HttpClient.Version version() {
+        return impl.version();
+    }
+
+    @Override
+    public Optional<Executor> executor() {
+        return impl.executor();
+    }
+
+    @Override
+    public <T> HttpResponse<T>
+    send(HttpRequest req, HttpResponse.BodyHandler<T> responseBodyHandler)
+        throws IOException, InterruptedException
+    {
+        try {
+            return impl.send(req, responseBodyHandler);
+        } finally {
+            Reference.reachabilityFence(this);
+        }
+    }
+
+    @Override
+    public <T> CompletableFuture<HttpResponse<T>>
+    sendAsync(HttpRequest req, HttpResponse.BodyHandler<T> responseBodyHandler) {
+        try {
+            return impl.sendAsync(req, responseBodyHandler);
+        } finally {
+            Reference.reachabilityFence(this);
+        }
+    }
+
+    @Override
+    public <T> CompletableFuture<HttpResponse<T>>
+    sendAsync(HttpRequest req,
+              BodyHandler<T> responseBodyHandler,
+              PushPromiseHandler<T> pushPromiseHandler){
+        try {
+            return impl.sendAsync(req, responseBodyHandler, pushPromiseHandler);
+        } finally {
+            Reference.reachabilityFence(this);
+        }
+    }
+
+    @Override
+    public WebSocket.Builder newWebSocketBuilder() {
+        try {
+            return impl.newWebSocketBuilder();
+        } finally {
+            Reference.reachabilityFence(this);
+        }
+    }
+
+    @Override
+    public String toString() {
+        // Used by tests to get the client's id.
+        return impl.toString();
+    }
+}