Cleanup remaining class/struct fwd declarations

courgette/courgette.h

 // Copyright (c) 2011 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 COURGETTE_COURGETTE_H_
 #define COURGETTE_COURGETTE_H_
 
 #include <stddef.h>   // Required to define size_t on GCC
 
 #include "base/files/file_path.h"
@@ skipping 45 matching lines @@
   EXE_UNKNOWN = 0,
   EXE_WIN_32_X86 = 1,
   EXE_ELF_32_X86 = 2,
   EXE_ELF_32_ARM = 3,
   EXE_WIN_32_X64 = 4,
 };
 
 class SinkStream;
 class SinkStreamSet;
 class SourceStream;
-class SourceStreamSet;
 
 class AssemblyProgram;
 class EncodedProgram;
 
 // Applies the patch to the bytes in |old| and writes the transformed ensemble
 // to |output|.
 // Returns C_OK unless something went wrong.
 Status ApplyEnsemblePatch(SourceStream* old, SourceStream* patch,
                           SinkStream* output);
 
@@ skipping 21 matching lines @@
 // |buffer| in an undefined state.
 Status Assemble(EncodedProgram* encoded, SinkStream* buffer);
 
 // Adjusts |program| to look more like |model|.
 //
 Status Adjust(const AssemblyProgram& model, AssemblyProgram *program);
 
 }  // namespace courgette
 
 #endif  // COURGETTE_COURGETTE_H_