media config: expand is_encrypted to a struct.

media/filters/audio_decoder_unittest.cc

Index: media/filters/audio_decoder_unittest.cc
diff --git a/media/filters/audio_decoder_unittest.cc b/media/filters/audio_decoder_unittest.cc
index 9eae8fa851c8fa7eea37dc9380302270de52b2e1..28fa7565e3098b796eac0156a4a081ca6c9cdf12 100644
--- a/media/filters/audio_decoder_unittest.cc
+++ b/media/filters/audio_decoder_unittest.cc
@@ -384,14 +384,9 @@ TEST_P(OpusAudioDecoderBehavioralTest, InitializeWithNoCodecDelay) {
       kOpusExtraData,
       kOpusExtraData + arraysize(kOpusExtraData));
   AudioDecoderConfig decoder_config;
-  decoder_config.Initialize(kCodecOpus,
-                            kSampleFormatF32,
-                            CHANNEL_LAYOUT_STEREO,
-                            48000,
-                            extra_data,
-                            false,
-                            base::TimeDelta::FromMilliseconds(80),
-                            0);
+  decoder_config.Initialize(kCodecOpus, kSampleFormatF32, CHANNEL_LAYOUT_STEREO,
+                            48000, extra_data, EncryptionScheme::Unencrypted(),
+                            base::TimeDelta::FromMilliseconds(80), 0);
   InitializeDecoder(decoder_config);
 }
 
@@ -402,13 +397,8 @@ TEST_P(OpusAudioDecoderBehavioralTest, InitializeWithBadCodecDelay) {
       kOpusExtraData + arraysize(kOpusExtraData));
   AudioDecoderConfig decoder_config;
   decoder_config.Initialize(
-      kCodecOpus,
-      kSampleFormatF32,
-      CHANNEL_LAYOUT_STEREO,
-      48000,
-      extra_data,
-      false,
-      base::TimeDelta::FromMilliseconds(80),
+      kCodecOpus, kSampleFormatF32, CHANNEL_LAYOUT_STEREO, 48000, extra_data,
+      EncryptionScheme::Unencrypted(), base::TimeDelta::FromMilliseconds(80),
       // Use a different codec delay than in the extradata.
       100);
   InitializeDecoderWithResult(decoder_config, true);