media: Refactor VideoFrameStreamTest

media/filters/decoder_stream.cc

 // Copyright 2014 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.
 
 #include "media/filters/decoder_stream.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 271 matching lines @@
     DCHECK(reset_cb_.is_null());
   } else if (state_ == STATE_REINITIALIZING_DECODER) {
     DCHECK(decoder_);
   }
 
   decoder_ = std::move(selected_decoder);
   if (decrypting_demuxer_stream) {
     decrypting_demuxer_stream_ = std::move(decrypting_demuxer_stream);
     stream_ = decrypting_demuxer_stream_.get();
   }
+  if (decoder_change_observer_cb_)
+    decoder_change_observer_cb_.Run(decoder_.get());
 
   // TODO(tguilbert): crbug.com/603713 support config changes on decoder reinit.
   if (received_config_change_during_reinit_) {
     CompleteDecoderReinitialization(false);
     return;
   }
 
   // Attempt to decode buffers from previous decoders (when those decoders have
   // never successfully outputed a frame).
   fallback_buffers_ = pending_buffers_;
@@ skipping 467 matching lines @@
   }
 
   // The resetting process will be continued in OnDecoderReinitialized().
   ReinitializeDecoder();
 }
 
 template class DecoderStream<DemuxerStream::VIDEO>;
 template class DecoderStream<DemuxerStream::AUDIO>;
 
 }  // namespace media