Add pass operation on handles.

mojo/public/java/src/org/chromium/mojo/system/SharedBufferHandle.java

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.mojo.system;
 
 import java.nio.ByteBuffer;
 
 /**
  * A buffer that can be shared between applications.
@@ skipping 112 matching lines @@
         /**
          * @return flags with no bit set.
          */
         public static MapFlags none() {
             return new MapFlags(FLAG_NONE);
         }
 
     }
 
     /**
+     * @see org.chromium.mojo.system.Handle#pass()
+     */
+    @Override
+    public SharedBufferHandle pass();
+
+    /**
      * Duplicates the handle. This creates another handle (returned on success), which can then be
      * sent to another application over a message pipe, while retaining access to this handle (and
      * any mappings that it may have).
      */
     public SharedBufferHandle duplicate(DuplicateOptions options);
 
     /**
      * Map the part (at offset |offset| of length |numBytes|) of the buffer given by this handle
      * into memory. |offset + numBytes| must be less than or equal to the size of the buffer. On
      * success, the returned buffer points to memory with the requested part of the buffer. A single
      * buffer handle may have multiple active mappings (possibly depending on the buffer type). The
      * permissions (e.g., writable or executable) of the returned memory may depend on the
      * properties of the buffer and properties attached to the buffer handle as well as |flags|.
      */
     public ByteBuffer map(long offset, long numBytes, MapFlags flags);
 
     /**
      * Unmap a buffer pointer that was mapped by |map()|.
      */
     public void unmap(ByteBuffer buffer);
 
 }