media config: expand is_encrypted to a struct.

media/formats/mpeg/mpeg_audio_stream_parser_base.cc

Index: media/formats/mpeg/mpeg_audio_stream_parser_base.cc
diff --git a/media/formats/mpeg/mpeg_audio_stream_parser_base.cc b/media/formats/mpeg/mpeg_audio_stream_parser_base.cc
index ea2261fad7965e572c61b9acfcf94ac28745431c..9c15e44d5f458b190e9e7ad83eb8b71e2025e22c 100644
--- a/media/formats/mpeg/mpeg_audio_stream_parser_base.cc
+++ b/media/formats/mpeg/mpeg_audio_stream_parser_base.cc
@@ -7,6 +7,7 @@
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/message_loop/message_loop.h"
+#include "media/base/encryption_scheme.h"
 #include "media/base/stream_parser_buffer.h"
 #include "media/base/text_track_config.h"
 #include "media/base/timestamp_constants.h"
@@ -204,13 +205,9 @@ int MPEGAudioStreamParserBase::ParseFrame(const uint8_t* data,
   }
 
   if (!config_.IsValidConfig()) {
-    config_.Initialize(audio_codec_,
-                       kSampleFormatF32,
-                       channel_layout,
-                       sample_rate,
-                       std::vector<uint8_t>(),
-                       false,
-                       base::TimeDelta(),
+    config_.Initialize(audio_codec_, kSampleFormatF32, channel_layout,
+                       sample_rate, std::vector<uint8_t>(),
+                       EncryptionScheme::Unencrypted(), base::TimeDelta(),
                        codec_delay_);
 
     base::TimeDelta base_timestamp;