--- a/jdk/src/java.base/linux/classes/sun/nio/fs/GioFileTypeDetector.java	Thu Jul 28 09:29:36 2016 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,83 +0,0 @@
-/*
- * Copyright (c) 2008, 2015, 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 sun.nio.fs;
-
-import java.nio.file.Path;
-import java.io.IOException;
-import java.security.AccessController;
-import java.security.PrivilegedAction;
-
-/**
- * File type detector that uses the GNOME I/O library to guess the
- * MIME type of a file.
- */
-
-public class GioFileTypeDetector
-    extends AbstractFileTypeDetector
-{
-    // true if GIO is available
-    private final boolean gioAvailable;
-
-    public GioFileTypeDetector() {
-        gioAvailable = initializeGio();
-    }
-
-    @Override
-    public String implProbeContentType(Path obj) throws IOException {
-        if (!gioAvailable)
-            return null;
-        if (!(obj instanceof UnixPath))
-            return null;
-
-        UnixPath path = (UnixPath)obj;
-        NativeBuffer buffer = NativeBuffers.asNativeBuffer(path.getByteArrayForSysCalls());
-        try {
-            // GIO may access file so need permission check
-            path.checkRead();
-            byte[] type = probeGio(buffer.address());
-            return (type == null) ? null : Util.toString(type);
-        } finally {
-            buffer.release();
-        }
-
-    }
-
-    // GIO
-    private static native boolean initializeGio();
-    //
-    // The probeGIO() method is synchronized to avert potential problems
-    // such as crashes due to a suspected lack of thread safety in GIO.
-    //
-    private static synchronized native byte[] probeGio(long pathAddress);
-
-    static {
-        AccessController.doPrivileged(new PrivilegedAction<>() {
-            public Void run() {
-                System.loadLibrary("nio");
-                return null;
-        }});
-    }
-}