Add initial implementation of SourceBufferStream

media/base/data_buffer.h

 // Copyright (c) 2012 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 Buffer that takes ownership of the given data
 // pointer.
 //
 // DataBuffer assumes that memory was allocated with new uint8[].
 
 #ifndef MEDIA_BASE_DATA_BUFFER_H_
@@ skipping 32 matching lines @@
   virtual int GetBufferSize() const;
 
   virtual void SetDecryptConfig(scoped_ptr<DecryptConfig> decrypt_config);
 
  protected:
   // Copies from [data,data+size) to owned array.
   DataBuffer(const uint8* data, int size);
   virtual ~DataBuffer();
 
  private:
+  // Helper method to allocate |data_| with at least |buffer_size| bytes.
+  void AllocateBuffer(int buffer_size);
+
   scoped_array<uint8> data_;
   int buffer_size_;
   int data_size_;
   scoped_ptr<DecryptConfig> decrypt_config_;
 
   DISALLOW_COPY_AND_ASSIGN(DataBuffer);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_DATA_BUFFER_H_