EME: Update tests so 'audioCapabilities' always provided

third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-unique-origin.html

Index: third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-unique-origin.html
diff --git a/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-unique-origin.html b/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-unique-origin.html
index e51597f25241e1376b342519adc7d2e865bd1efb..c427077e173fd84036b01bb2176901c1bcdf4b51 100644
--- a/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-unique-origin.html
+++ b/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-unique-origin.html
@@ -35,7 +35,13 @@
                 var script = 'data:text/html,' +
                     '<script>' +
                     '    window.onmessage = function(e) {' +
-                    '        navigator.requestMediaKeySystemAccess(\'org.w3.clearkey\', [{}]).then(function(access) {' +
+                    '        navigator.requestMediaKeySystemAccess(\'org.w3.clearkey\', [{' +
+                    '           initDataTypes: [ \'keyids\' ],' +
+                    '           videoCapabilities: [' +
+                    '               { contentType: \'video/webm; codecs="vp9"\' },' +
+                    '               { contentType: \'video/webm; codecs="vp8"\' }' +
+                    '           ]' +
+                    '       }]).then(function(access) {' +
                     '            return access.createMediaKeys();' +
                     '        }).then(function(mediaKeys) {' +
                     '            window.parent.postMessage({result: \'allowed\'}, \'*\');' +
@@ -46,7 +52,13 @@
                     '<\/script>';
 
                 // Verify that this page can create a MediaKeys first.
-                navigator.requestMediaKeySystemAccess('org.w3.clearkey', [{}]).then(function(access) {
+                navigator.requestMediaKeySystemAccess('org.w3.clearkey', [{
+                    initDataTypes: [ 'keyids' ],
+                    videoCapabilities: [
+                        { contentType: 'video/webm; codecs="vp9"' },
+                        { contentType: 'video/webm; codecs="vp8"' }
+                    ]
+                }]).then(function(access) {
                     return access.createMediaKeys();
                 }).then(function(mediaKeys) {
                     // Success, so now create the iframe and try there.