EME: Update tests so 'audioCapabilities' always provided

third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-playback-two-videos.html

Index: third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-playback-two-videos.html
diff --git a/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-playback-two-videos.html b/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-playback-two-videos.html
index 30bb5825d47d5c13bde57c769caeedb1ec591454..027a2072a458ae288ac78429ee5c9d73bc14b1ed 100644
--- a/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-playback-two-videos.html
+++ b/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-playback-two-videos.html
@@ -17,19 +17,20 @@
             var keyId = stringToUint8Array('0123456789012345');
             var rawKey = new Uint8Array([0xeb, 0xdd, 0x62, 0xf1, 0x68, 0x14, 0xd2, 0x7b,
                                          0x68, 0xef, 0x12, 0x2a, 0xfc, 0xe4, 0xae, 0x3c]);
+            var content = '../content/test-encrypted.webm';
 
             promise_test(function(test)
             {
                 var promises = [
-                    play_video_as_promise(document.getElementById('testVideo'), '../content/test-encrypted.webm'),
-                    play_video_as_promise(document.getElementById('secondVideo'), '../content/test-encrypted.webm')
+                    play_video_as_promise(document.getElementById('testVideo'), content),
+                    play_video_as_promise(document.getElementById('secondVideo'), content)
                 ];
                 return Promise.all(promises);
             }, 'Play two videos at the same time.');
 
             function play_video_as_promise(video, content)
             {
-                return navigator.requestMediaKeySystemAccess('org.w3.clearkey', [{}]).then(function(access) {
+                return navigator.requestMediaKeySystemAccess('org.w3.clearkey', getConfigurationForFile(content)).then(function(access) {
                     return access.createMediaKeys();
                 }).then(function(mediaKeys) {
                     return video.setMediaKeys(mediaKeys);