media: Require SecureContext for EME APIs

third_party/WebKit/Source/modules/encryptedmedia/NavigatorRequestMediaKeySystemAccess.idl

Index: third_party/WebKit/Source/modules/encryptedmedia/NavigatorRequestMediaKeySystemAccess.idl
diff --git a/third_party/WebKit/Source/modules/encryptedmedia/NavigatorRequestMediaKeySystemAccess.idl b/third_party/WebKit/Source/modules/encryptedmedia/NavigatorRequestMediaKeySystemAccess.idl
index 62c96b726393017057884e06b97cc9f49f177107..2ea077a39123f85275e79cccb41c753539ea93b6 100644
--- a/third_party/WebKit/Source/modules/encryptedmedia/NavigatorRequestMediaKeySystemAccess.idl
+++ b/third_party/WebKit/Source/modules/encryptedmedia/NavigatorRequestMediaKeySystemAccess.idl
@@ -5,5 +5,5 @@
 // https://w3c.github.io/encrypted-media/#navigator-extension-requestmediakeysystemaccess
 
 partial interface Navigator {
-    [CallWith=ScriptState] Promise<MediaKeySystemAccess> requestMediaKeySystemAccess(DOMString keySystem, sequence<MediaKeySystemConfiguration> supportedConfigurations);
+    [SecureContext, CallWith=ScriptState] Promise<MediaKeySystemAccess> requestMediaKeySystemAccess(DOMString keySystem, sequence<MediaKeySystemConfiguration> supportedConfigurations);
 };