media: Support better decoder switching

media/base/audio_decoder_config.h

Index: media/base/audio_decoder_config.h
diff --git a/media/base/audio_decoder_config.h b/media/base/audio_decoder_config.h
index 675eb87232ceb5cd722550e7fe02fb50b30ca068..86a8dc1fbb989cff5fae6a701566f2d648f6df50 100644
--- a/media/base/audio_decoder_config.h
+++ b/media/base/audio_decoder_config.h
@@ -88,9 +88,7 @@ class MEDIA_EXPORT AudioDecoderConfig {
   }
 
   // Sets the config to be encrypted or not encrypted manually. This can be
-  // useful for decryptors that decrypts an encrypted stream to a clear stream,
-  // or for decoder selectors that wants to select decrypting decoders instead
-  // of clear decoders.
+  // useful for decryptors that decrypts an encrypted stream to a clear stream.
   void SetIsEncrypted(bool is_encrypted);
 
  private: