Fix encrypted-media-syntax.html layout test

LayoutTests/media/encrypted-media/encrypted-media-syntax.html

Index: LayoutTests/media/encrypted-media/encrypted-media-syntax.html
diff --git a/LayoutTests/media/encrypted-media/encrypted-media-syntax.html b/LayoutTests/media/encrypted-media/encrypted-media-syntax.html
index 42891b9e8d6b2c9645e6913506b302c61db3a28a..2fe63241c2ec1d961af3806a2cedfc6df62614c7 100644
--- a/LayoutTests/media/encrypted-media/encrypted-media-syntax.html
+++ b/LayoutTests/media/encrypted-media/encrypted-media-syntax.html
@@ -73,7 +73,7 @@
                     func: function() { return navigator.requestMediaKeySystemAccess(1, [{}]); }
                 },
                 {
-                    exception: 'NotSupportedError',
+                    exception: 'InvalidAccessError',
                     func: function() { return navigator.requestMediaKeySystemAccess(new Uint8Array(0), [{}]); }
                 },
                 {
@@ -279,7 +279,7 @@
                     func: function(mk11, _, initData) { return mk11.createSession().generateRequest(1, initData); }
                 },
                 {
-                    exception: 'NotSupportedError',
+                    exception: 'InvalidAccessError',
                     func: function(mk12, _, initData) { return mk12.createSession().generateRequest(new Uint8Array(0), initData); }
                 },
                 {