Roll IDL to Dartium37 (r181268)

core/events/MessageEvent.idl

Index: core/events/MessageEvent.idl
diff --git a/core/events/MessageEvent.idl b/core/events/MessageEvent.idl
index b830e16e46b7b2a277b5afff6a025d4df60c2150..b9e155bd6527040f75097f8212adc90b62d7087a 100644
--- a/core/events/MessageEvent.idl
+++ b/core/events/MessageEvent.idl
@@ -27,7 +27,7 @@
 
 [
     EventConstructor,
-    GlobalContext=Window&WorkerGlobalScope,
+    Exposed=Window&Worker,
     RaisesException=Constructor,
     Custom=Wrap,
 ] interface MessageEvent : Event {
@@ -44,13 +44,4 @@
                                    [Default=Undefined] optional DOMString lastEventIdArg,
                                    [Default=Undefined] optional Window sourceArg,
                                    [Default=Undefined] optional MessagePort[] messagePorts);
-
-    [Custom, MeasureAs=PrefixedInitMessageEvent] void webkitInitMessageEvent([Default=Undefined] optional DOMString typeArg,
-                                         [Default=Undefined] optional boolean canBubbleArg,
-                                         [Default=Undefined] optional boolean cancelableArg,
-                                         [Default=Undefined] optional any dataArg,
-                                         [Default=Undefined] optional DOMString originArg,
-                                         [Default=Undefined] optional DOMString lastEventIdArg,
-                                         [Default=Undefined] optional Window sourceArg,
-                                         [Default=Undefined] optional MessagePort[] transferables);
 };