media config: expand is_encrypted to a struct.

media/filters/audio_decoder_selector_unittest.cc

Index: media/filters/audio_decoder_selector_unittest.cc
diff --git a/media/filters/audio_decoder_selector_unittest.cc b/media/filters/audio_decoder_selector_unittest.cc
index 2f5adaaeaafcd56e3b8a845b378eec74c45d9bbb..bf7dcb87af34a1f914cc7a1ac598c9eb5982c09e 100644
--- a/media/filters/audio_decoder_selector_unittest.cc
+++ b/media/filters/audio_decoder_selector_unittest.cc
@@ -6,6 +6,7 @@
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
+#include "media/base/encryption_scheme.h"
 #include "media/base/gmock_callback_support.h"
 #include "media/base/media_util.h"
 #include "media/base/mock_filters.h"
@@ -86,16 +87,16 @@ class AudioDecoderSelectorTest : public ::testing::Test {
   }
 
   void UseClearStream() {
-    AudioDecoderConfig clear_audio_config(kCodecVorbis, kSampleFormatPlanarF32,
-                                          CHANNEL_LAYOUT_STEREO, 44100,
-                                          EmptyExtraData(), false);
+    AudioDecoderConfig clear_audio_config(
+        kCodecVorbis, kSampleFormatPlanarF32, CHANNEL_LAYOUT_STEREO, 44100,
+        EmptyExtraData(), EncryptionScheme(false));
     demuxer_stream_->set_audio_decoder_config(clear_audio_config);
   }
 
   void UseEncryptedStream() {
     AudioDecoderConfig encrypted_audio_config(
         kCodecVorbis, kSampleFormatPlanarF32, CHANNEL_LAYOUT_STEREO, 44100,
-        EmptyExtraData(), true);
+        EmptyExtraData(), EncryptionScheme(true));
     demuxer_stream_->set_audio_decoder_config(encrypted_audio_config);
   }