Revert 115214 (caused media_unittests failure in FFmpegGlueTest,

media/base/byte_queue.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_BASE_BYTE_QUEUE_H_
 #define MEDIA_BASE_BYTE_QUEUE_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 
 namespace media {
 
 // Represents a queue of bytes.
 // Data is added to the end of the queue via an Push() call and removed via
 // Pop(). The contents of the queue can be observed via the Peek() method.
 // This class manages the underlying storage of the queue and tries to minimize
 // the number of buffer copies when data is appended and removed.
 class ByteQueue {
  public:
   ByteQueue();
   ~ByteQueue();
 
-  // Reset the queue to the empty state.
-  void Reset();
-
   // Appends new bytes onto the end of the queue.
   void Push(const uint8* data, int size);
 
   // Get a pointer to the front of the queue and the queue size.
   // These values are only valid until the next Push() or
   // Pop() call.
   void Peek(const uint8** data, int* size) const;
 
   // Remove |count| bytes from the front of the queue.
   void Pop(int count);
@@ skipping 12 matching lines @@
 
   // Number of bytes stored in the queue.
   int used_;
 
   DISALLOW_COPY_AND_ASSIGN(ByteQueue);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_BYTE_QUEUE_H_