Adding missing media element events.

lib/dom/idl/dart/dart.idl

Index: lib/dom/idl/dart/dart.idl
diff --git a/lib/dom/idl/dart/dart.idl b/lib/dom/idl/dart/dart.idl
index 4bb1e099be2e19e774467d12aabc5a9c5f2ac681..0699fc5a9cfb0d5ffc552a8a172ac6b095213b1a 100644
--- a/lib/dom/idl/dart/dart.idl
+++ b/lib/dom/idl/dart/dart.idl
@@ -74,6 +74,32 @@ module html {
   };
 
   [Supplemental]
+  interface HTMLMediaElement {
+    // Adding media events.
+    attribute EventListener oncanplay;
+    attribute EventListener oncanplaythrough;
+    attribute EventListener ondurationchange;
+    attribute EventListener onemptied;
+    attribute EventListener onended;
+    attribute EventListener onloadeddata;
+    attribute EventListener onloadedmetadata;
+    attribute EventListener onloadstart;
+    attribute EventListener onpause;
+    attribute EventListener onplay;
+    attribute EventListener onplaying;
+    attribute EventListener onprogress;
+    attribute EventListener onratechange;
+    attribute EventListener onseeked;
+    attribute EventListener onseeking;
+    attribute EventListener onshow;
+    attribute EventListener onstalled;
+    attribute EventListener onsuspend;
+    attribute EventListener ontimeupdate;
+    attribute EventListener onvolumechange;
+    attribute EventListener onwaiting;
+  };
+
+  [Supplemental]
   interface WebGLContextEvent {
     [Suppressed] void initEvent([Optional] in DOMString eventTypeArg,
                                 [Optional] in boolean canBubbleArg,