Revert of 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 b0a7c73408c9961cd8e5e43ef89945e4384c0eca..d29a68d86c9ba6590fc6ae4329b820f685f04545 100644
--- a/media/filters/audio_decoder_unittest.cc
+++ b/media/filters/audio_decoder_unittest.cc
@@ -194,7 +194,7 @@
 
     AudioDecoderConfig config;
     ASSERT_TRUE(AVCodecContextToAudioDecoderConfig(
-        reader_->codec_context_for_testing(), Unencrypted(), &config));
+        reader_->codec_context_for_testing(), false, &config));
 
     EXPECT_EQ(GetParam().codec, config.codec());
     EXPECT_EQ(GetParam().samples_per_second, config.samples_per_second());
@@ -433,9 +433,14 @@
       kOpusExtraData,
       kOpusExtraData + arraysize(kOpusExtraData));
   AudioDecoderConfig decoder_config;
-  decoder_config.Initialize(kCodecOpus, kSampleFormatF32, CHANNEL_LAYOUT_STEREO,
-                            48000, extra_data, Unencrypted(),
-                            base::TimeDelta::FromMilliseconds(80), 0);
+  decoder_config.Initialize(kCodecOpus,
+                            kSampleFormatF32,
+                            CHANNEL_LAYOUT_STEREO,
+                            48000,
+                            extra_data,
+                            false,
+                            base::TimeDelta::FromMilliseconds(80),
+                            0);
   InitializeDecoder(decoder_config);
 }
 
@@ -446,8 +451,13 @@
       kOpusExtraData + arraysize(kOpusExtraData));
   AudioDecoderConfig decoder_config;
   decoder_config.Initialize(
-      kCodecOpus, kSampleFormatF32, CHANNEL_LAYOUT_STEREO, 48000, extra_data,
-      Unencrypted(), base::TimeDelta::FromMilliseconds(80),
+      kCodecOpus,
+      kSampleFormatF32,
+      CHANNEL_LAYOUT_STEREO,
+      48000,
+      extra_data,
+      false,
+      base::TimeDelta::FromMilliseconds(80),
       // Use a different codec delay than in the extradata.
       100);
   InitializeDecoderWithResult(decoder_config, true);