media: Support better decoder switching

media/base/video_decoder_config.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_BASE_VIDEO_DECODER_CONFIG_H_
 #define MEDIA_BASE_VIDEO_DECODER_CONFIG_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 102 matching lines @@
     return encryption_scheme_;
   }
 
   void set_color_space_info(const VideoColorSpace& color_space_info);
   VideoColorSpace color_space_info() const;
 
   void set_hdr_metadata(const HDRMetadata& hdr_metadata);
   base::Optional<HDRMetadata> hdr_metadata() const;
 
   // 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:
   VideoCodec codec_;
   VideoCodecProfile profile_;
 
   VideoPixelFormat format_;
 
   // TODO(servolk): Deprecated, use color_space_info_ instead.
   ColorSpace color_space_;
@@ skipping 12 matching lines @@
   base::Optional<HDRMetadata> hdr_metadata_;
 
   // Not using DISALLOW_COPY_AND_ASSIGN here intentionally to allow the compiler
   // generated copy constructor and assignment operator. Since the extra data is
   // typically small, the performance impact is minimal.
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_VIDEO_DECODER_CONFIG_H_