Revert 99236 - Very short-term change: while working on proper long-term solution,

media/audio/audio_util.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 MEDIA_AUDIO_AUDIO_UTIL_H_
 #define MEDIA_AUDIO_AUDIO_UTIL_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 74 matching lines @@
 // Functions that handle data buffer passed between processes in the shared
 // memory. Called on both IPC sides.
 
 MEDIA_EXPORT uint32 TotalSharedMemorySizeInBytes(uint32 packet_size);
 MEDIA_EXPORT uint32 PacketSizeSizeInBytes(uint32 shared_memory_created_size);
 MEDIA_EXPORT uint32 GetActualDataSizeInBytes(base::SharedMemory* shared_memory,
                                              uint32 shared_memory_size);
 MEDIA_EXPORT void SetActualDataSizeInBytes(base::SharedMemory* shared_memory,
                                            uint32 shared_memory_size,
                                            uint32 actual_data_size);
-MEDIA_EXPORT void SetUnknownDataSize(base::SharedMemory* shared_memory,
-                                     uint32 shared_memory_size);
-MEDIA_EXPORT bool IsUnknownDataSize(base::SharedMemory* shared_memory,
-                                    uint32 shared_memory_size);
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_AUDIO_UTIL_H_