Schedule session initialization in MediaKeys.

LayoutTests/media/encrypted-media/encrypted-media-v2-syntax.html

Index: LayoutTests/media/encrypted-media/encrypted-media-v2-syntax.html
diff --git a/LayoutTests/media/encrypted-media/encrypted-media-v2-syntax.html b/LayoutTests/media/encrypted-media/encrypted-media-v2-syntax.html
index 294bec66235ed8b8655837dac41eee9af6cd3a50..c05808d24ce8dd2cdbb02215acb3c75341484603 100644
--- a/LayoutTests/media/encrypted-media/encrypted-media-v2-syntax.html
+++ b/LayoutTests/media/encrypted-media/encrypted-media-v2-syntax.html
@@ -26,8 +26,14 @@
                 testExpected('typeof mediaKeys', 'object');
                 testExpected('mediaKeys.keySystem', 'org.w3.clearkey');
                 testExpected('typeof mediaKeys.createSession', 'function');
+
+                testException('mediaKeys.createSession()', '"TypeError: Failed to execute \'createSession\' on \'MediaKeys\': 2 arguments required, but only 0 present."');
+                testException('mediaKeys.createSession("")', '"TypeError: Failed to execute \'createSession\' on \'MediaKeys\': 2 arguments required, but only 1 present."');
+                testException('mediaKeys.createSession("video/webm")', '"TypeError: Failed to execute \'createSession\' on \'MediaKeys\': 2 arguments required, but only 1 present."');
                 testDOMException('mediaKeys.createSession("", new Uint8Array(1))', "DOMException.INVALID_ACCESS_ERR");
-                testDOMException('mediaKeys.createSession("unsupported/type")', "DOMException.NOT_SUPPORTED_ERR");
+                testDOMException('mediaKeys.createSession("video/webm", null)', "DOMException.INVALID_ACCESS_ERR");
+                testDOMException('mediaKeys.createSession("video/webm", new Uint8Array(0))', "DOMException.INVALID_ACCESS_ERR");
+                testDOMException('mediaKeys.createSession("unsupported/type", new Uint8Array(1))', "DOMException.NOT_SUPPORTED_ERR");
                 consoleWrite("");
 
                 consoleWrite("Test MediaKeySession.");
@@ -41,7 +47,15 @@
                 testExpected('mediaKeySession.onwebkitkeyadded', null);
                 testExpected('mediaKeySession.onwebkitkeyerror', null);
                 testExpected('mediaKeySession.onwebkitkeymessage', null);
+                testException('mediaKeySession.update()', '"TypeError: Failed to execute \'update\' on \'MediaKeySession\': 1 argument required, but only 0 present."');
                 testDOMException('mediaKeySession.update(null)', "DOMException.INVALID_ACCESS_ERR");
+
+                // FIXME: Update this after MediaKeySession.error is hooked up.
+                run('mediaKeySession.update(new Uint8Array(1))');
+                testExpected('mediaKeySession.error', null);

[xhwang, 2014/01/15 01:33:08]

Actually this doesn't work. We need to wait for the error event to check the
error attribute. I'll probably just drop this check here.

[ddorwin, 2014/01/15 01:41:01]

Should it really be null or is that just the current state? Since this is just
syntax, we can probably drop the error checking.

+
+                // FIXME: Test MediaKeySession.release().
+
                 endTest();
             }
         </script>