Ignore calls to Reset() when in error state

media/filters/decoder_stream.h

Index: media/filters/decoder_stream.h
diff --git a/media/filters/decoder_stream.h b/media/filters/decoder_stream.h
index 56d0d27910eb92853954e0817849fc5c00c6eb2b..465fae3e5797be8714b10b0d1c10a03d0eb60a3a 100644
--- a/media/filters/decoder_stream.h
+++ b/media/filters/decoder_stream.h
@@ -83,6 +83,8 @@ class MEDIA_EXPORT DecoderStream {
   // Note that |closure| is always called asynchronously. This method should
   // only be called after initialization has succeeded and must not be called
   // during pending Reset().
+  // N.B: If the decoder stream has run into an error, calling this method does
+  // not 'reset' it to a normal state.
   void Reset(const base::Closure& closure);
 
   // Returns true if the decoder currently has the ability to decode and return