Web MIDI: implement MIDIPort

Source/modules/webmidi/MIDIPort.idl

Index: Source/modules/webmidi/MIDIPort.idl
diff --git a/Source/modules/mediasource/SourceBufferList.idl b/Source/modules/webmidi/MIDIPort.idl
similarity index 78%
copy from Source/modules/mediasource/SourceBufferList.idl
copy to Source/modules/webmidi/MIDIPort.idl
index f8531ed6eb3201bbcdfcf50c34e8f46f9a1a9431..2c7286fbc22875f02f9157e4d3389d85e49a1e8f 100644
--- a/Source/modules/mediasource/SourceBufferList.idl
+++ b/Source/modules/webmidi/MIDIPort.idl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012 Google Inc. All rights reserved.
+ * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -27,15 +27,25 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
- 
+
+// FIXME: IDL generator doesn't support readonly enum yet.
+// See also, http://crbug.com/234925
+//enum MIDIPortType {
+//    "input",
+//    "output"
+//};
+
 [
-    EnabledAtRuntime=mediaSource,
-    IndexedGetter,
-    EventTarget,
-    CallWith=ScriptExecutionContext
-] interface SourceBufferList {
-    readonly attribute unsigned long length;
-    SourceBuffer item(unsigned long index);
+    ActiveDOMObject,
+    EventTarget
+] interface MIDIPort {
+    readonly attribute DOMString id;
+    readonly attribute DOMString manufacturer;
+    readonly attribute DOMString name;
+    readonly attribute DOMString type;
+    readonly attribute DOMString version;
+
+    attribute EventListener ondisconnect;
 
     // EventTarget interface
     void addEventListener(DOMString type,
@@ -46,4 +56,3 @@
                              optional boolean useCapture);
     [RaisesException] boolean dispatchEvent(Event event);
 };
-