Send the h264 SPS and PPS configuration parameters to AVDA

media/video/video_decode_accelerator.h

Index: media/video/video_decode_accelerator.h
diff --git a/media/video/video_decode_accelerator.h b/media/video/video_decode_accelerator.h
index 7e3c940d637269499297e724c3353b8cf024bd8c..95d34d5b5e2bb15a35e5fc2b728514785eff525d 100644
--- a/media/video/video_decode_accelerator.h
+++ b/media/video/video_decode_accelerator.h
@@ -156,6 +156,9 @@ class MEDIA_EXPORT VideoDecodeAccelerator {
     // The list of picture buffer formats that the client knows how to use. An
     // empty list means any format is supported.
     std::vector<VideoPixelFormat> supported_output_formats;
+
+    // Optional codec configuration. For example, for H264 this is the AVCC.
+    std::vector<uint8_t> extra_data;
   };
 
   // Interface for collaborating with picture interface to provide memory for