Change EmeInitDataType to be an enum class

media/base/key_systems_unittest.cc

Index: media/base/key_systems_unittest.cc
diff --git a/media/base/key_systems_unittest.cc b/media/base/key_systems_unittest.cc
index 9c5c46b81aa8ce70c19dbd1a5cb464044ef4eccd..2455f7f381e3699184e168c18dcf4af268eeab99 100644
--- a/media/base/key_systems_unittest.cc
+++ b/media/base/key_systems_unittest.cc
@@ -165,7 +165,7 @@ void TestMediaClient::AddUsesAesKeySystem(
   system.key_system = name;
   system.supported_codecs = EME_CODEC_WEBM_ALL;
   system.supported_codecs |= TEST_CODEC_FOO_ALL;
-  system.supported_init_data_types = EME_INIT_DATA_TYPE_WEBM;
+  system.supported_init_data_types = kInitDataTypeMaskWebM;
   system.max_audio_robustness = EmeRobustness::EMPTY;
   system.max_video_robustness = EmeRobustness::EMPTY;
   system.persistent_license_support = EME_SESSION_TYPE_NOT_SUPPORTED;
@@ -182,7 +182,7 @@ void TestMediaClient::AddExternalKeySystem(
   ext.key_system = kExternal;
   ext.supported_codecs = EME_CODEC_WEBM_ALL;
   ext.supported_codecs |= TEST_CODEC_FOO_ALL;
-  ext.supported_init_data_types = EME_INIT_DATA_TYPE_WEBM;
+  ext.supported_init_data_types = kInitDataTypeMaskWebM;
   ext.max_audio_robustness = EmeRobustness::EMPTY;
   ext.max_video_robustness = EmeRobustness::EMPTY;
   ext.persistent_license_support = EME_SESSION_TYPE_SUPPORTED;