Revert of media config: expand is_encrypted to a struct.

chromecast/media/cma/test/mock_frame_provider.cc

Index: chromecast/media/cma/test/mock_frame_provider.cc
diff --git a/chromecast/media/cma/test/mock_frame_provider.cc b/chromecast/media/cma/test/mock_frame_provider.cc
index 16d6393c77122806c97b495b41cc39cf49f4c309..fdab8895861d7cfd46409224e3d9f9424ea9223b 100644
--- a/chromecast/media/cma/test/mock_frame_provider.cc
+++ b/chromecast/media/cma/test/mock_frame_provider.cc
@@ -82,7 +82,7 @@
         ::media::kCodecH264, ::media::VIDEO_CODEC_PROFILE_UNKNOWN,
         ::media::PIXEL_FORMAT_YV12, ::media::COLOR_SPACE_UNSPECIFIED,
         coded_size, visible_rect, natural_size, ::media::EmptyExtraData(),
-        ::media::Unencrypted());
+        false);
 
     audio_config = ::media::AudioDecoderConfig(
       ::media::kCodecAAC,
@@ -90,7 +90,7 @@
       ::media::CHANNEL_LAYOUT_STEREO,
       44100,
       ::media::EmptyExtraData(),
-      ::media::Unencrypted());
+      false);
   }
 
   read_cb.Run(buffer, audio_config, video_config);