EME: Update tests so 'audioCapabilities' always provided

third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-check-init-data-type.html

Index: third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-check-init-data-type.html
diff --git a/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-check-init-data-type.html b/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-check-init-data-type.html
index 160e026a75b0a0881b6c584dea871dc57d1bfd19..9b880d2533d905d41a797ad78aff2ff3b239cd9b 100644
--- a/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-check-init-data-type.html
+++ b/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-check-init-data-type.html
@@ -16,8 +16,7 @@
                     if (!result)
                         return Promise.resolve('Not supported');
 
-                    var options = [ { initDataTypes: [initDataType] } ];
-                    return navigator.requestMediaKeySystemAccess('org.w3.clearkey', options)
+                    return navigator.requestMediaKeySystemAccess('org.w3.clearkey', simpleConfigurationForInitDataType(initDataType))

[ddorwin, 2016/06/24 03:05:23]

This one definitely needs to specify the IDT. We could getMinimalConfiguration()
then populate this field, though that requires some assumptions about the
implementation of that helper. Alternatively, continue to specify this
explicitly and just add audioCapabilities with a value from the helper function
I propose in the .js file.

[jrummell, 2016/06/28 23:04:26]

Acknowledged.

                         .then(function(access) {
                             return access.createMediaKeys();
                         }).then(function(mediaKeys) {