Buffer interface is not uint8*. Slight change to way data buffers are create...

media/base/data_buffer.h

 // Copyright (c) 2008-2009 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.
 
 // A simple implementation of WritableBuffer that takes ownership of
 // the given data pointer.
 //
 // DataBuffer assumes that memory was allocated with new char[].
 
 #ifndef MEDIA_BASE_DATA_BUFFER_H_
 #define MEDIA_BASE_DATA_BUFFER_H_
 
 #include "media/base/buffers.h"
 
 namespace media {
 
 class DataBuffer : public WritableBuffer {
  public:
-  DataBuffer(char* data, size_t buffer_size, size_t data_size,
-             const base::TimeDelta& timestamp, const base::TimeDelta& duration);
+  DataBuffer();
 
   // Buffer implementation.
-  virtual const char* GetData() const;
+  virtual const uint8* GetData() const;
   virtual size_t GetDataSize() const;
 
   // WritableBuffer implementation.
-  virtual char* GetWritableData();
-  virtual size_t GetBufferSize() const;
+  virtual uint8* GetWritableData(size_t buffer_size);
   virtual void SetDataSize(size_t data_size);
 
  protected:
   virtual ~DataBuffer();
 
  private:
-  char* data_;
+  uint8* data_;
   size_t buffer_size_;
   size_t data_size_;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_DATA_BUFFER_H_