media config: expand is_encrypted to a struct.

media/base/test_helpers.cc

Index: media/base/test_helpers.cc
diff --git a/media/base/test_helpers.cc b/media/base/test_helpers.cc
index b88450457c2f20825fc5c1cd087783e44bd6727f..672b17cbb1aa2952b402a4302e0785c69d036e69 100644
--- a/media/base/test_helpers.cc
+++ b/media/base/test_helpers.cc
@@ -18,6 +18,7 @@
 #include "media/base/audio_buffer.h"
 #include "media/base/bind_to_current_loop.h"
 #include "media/base/decoder_buffer.h"
+#include "media/base/encryption_scheme.h"
 #include "media/base/media_util.h"
 #include "ui/gfx/geometry/rect.h"
 
@@ -132,7 +133,7 @@ static VideoDecoderConfig GetTestConfig(VideoCodec codec,
   return VideoDecoderConfig(codec, VIDEO_CODEC_PROFILE_UNKNOWN,
                             PIXEL_FORMAT_YV12, COLOR_SPACE_UNSPECIFIED,
                             coded_size, visible_rect, natural_size,
-                            EmptyExtraData(), is_encrypted);
+                            EmptyExtraData(), EncryptionScheme(is_encrypted));
 }
 
 static const gfx::Size kNormalSize(320, 240);