Cleanup remaining class/struct fwd declarations

native_client_sdk/src/libraries/nacl_io/stream/stream_fs.h

 // Copyright 2013 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.
 
 #ifndef LIBRARIES_NACL_IO_STREAM_STREAM_H_
 #define LIBRARIES_NACL_IO_STREAM_STREAM_H_
 
 #include "nacl_io/filesystem.h"
 
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_resource.h"
 
 namespace nacl_io {
 
 // StreamFs provides a "mount point" for stream objects which do not provide a
 // path, such as FDs returned by pipe, socket, and sockpair.  It also provides
 // a background thread for dispatching completion callbacks.
 
 class StreamFs;
-class StreamNode;
 
 class StreamFs : public Filesystem {
  public:
   class Work {
    public:
     explicit Work(StreamFs* filesystem) : filesystem_(filesystem) {}
     virtual ~Work() {}
 
     // Called by adding work the queue, val should be safe to ignore.
     virtual bool Start(int32_t val) = 0;
@@ skipping 39 matching lines @@
   pthread_cond_t message_cond_;
   sdk_util::SimpleLock message_lock_;
 
   friend class KernelProxy;
   DISALLOW_COPY_AND_ASSIGN(StreamFs);
 };
 
 }  // namespace nacl_io
 
 #endif  // LIBRARIES_NACL_IO_STREAM_STREAM_H_