Replace StreamParserHost interface with callbacks.

media/webm/webm_stream_parser.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.
 
 #ifndef MEDIA_WEBM_WEBM_STREAM_PARSER_H_
 #define MEDIA_WEBM_WEBM_STREAM_PARSER_H_
 
 #include "base/callback_forward.h"
 #include "base/memory/ref_counted.h"
 #include "media/base/audio_decoder_config.h"
 #include "media/base/buffers.h"
 #include "media/base/byte_queue.h"
 #include "media/base/stream_parser.h"
 #include "media/base/video_decoder_config.h"
 #include "media/webm/webm_cluster_parser.h"
 
 namespace media {
 
 class WebMStreamParser : public StreamParser {
  public:
   WebMStreamParser();
   virtual ~WebMStreamParser();
 
   // StreamParser implementation.
-  virtual void Init(const InitCB& init_cb, StreamParserHost* host) OVERRIDE;
+  virtual void Init(const InitCB& init_cb, const NewConfigCB& config_cb,
+                    const NewBuffersCB& audio_cb,
+                    const NewBuffersCB& video_cb) OVERRIDE;
   virtual void Flush() OVERRIDE;
   virtual bool Parse(const uint8* buf, int size) OVERRIDE;
 
  private:
   enum State {
     kWaitingForInit,
     kParsingHeaders,
     kParsingClusters,
     kError
   };
@@ skipping 14 matching lines @@
   // CUES elements if they are encountered since we currently don't use the
   // data in these elements.
   //
   // Returns < 0 if the parse fails.
   // Returns 0 if more data is needed.
   // Returning > 0 indicates success & the number of bytes parsed.
   int ParseCluster(const uint8* data, int size);
 
   State state_;
   InitCB init_cb_;
-  StreamParserHost* host_;
+  NewConfigCB config_cb_;
+  NewBuffersCB audio_cb_;
+  NewBuffersCB video_cb_;
 
   scoped_ptr<WebMClusterParser> cluster_parser_;
   ByteQueue byte_queue_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMStreamParser);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_WEBM_WEBM_STREAM_PARSER_H_