EME: Update tests so 'audioCapabilities' always provided

third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-update-disallowed-input.html

Index: third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-update-disallowed-input.html
diff --git a/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-update-disallowed-input.html b/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-update-disallowed-input.html
index 105cf537b30f31bed1e07a405f31f3d55f56aec9..406670d20f426d5e3ab70dce2f6e3e695de5d559 100644
--- a/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-update-disallowed-input.html
+++ b/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-update-disallowed-input.html
@@ -15,6 +15,7 @@
             async_test(function(test)
             {
                 var initDataType;
+                var initData;
                 var mediaKeySession;
 
                 function repeat(pattern, count) {
@@ -53,15 +54,14 @@
                     });
                 }
 
-                getSupportedInitDataType().then(function(type) {
-                    initDataType = type;
-                    return navigator.requestMediaKeySystemAccess('org.w3.clearkey', [{}]);
-                }).then(function(access) {
+                navigator.requestMediaKeySystemAccess('org.w3.clearkey', getSimpleConfiguration()).then(function(access) {
+                    initDataType = access.getConfiguration().initDataTypes[0];
+                    initData = getInitData(initDataType);
                     return access.createMediaKeys();
                 }).then(function(mediaKeys) {
                     mediaKeySession = mediaKeys.createSession();
                     waitForEventAndRunStep('message', mediaKeySession, processMessage, test);
-                    return mediaKeySession.generateRequest(initDataType, getInitData(initDataType));
+                    return mediaKeySession.generateRequest(initDataType, initData);
                 });
             }, 'update() with response longer than 64Kb characters.');
         </script>