Roll IDL to 1750

core/html/HTMLDocument.idl

Index: core/html/HTMLDocument.idl
diff --git a/core/html/HTMLDocument.idl b/core/html/HTMLDocument.idl
index 764f1af8c62173e11eb88e114f80dde003647dac..84328c8565f1257694a9976120f0bbb097ae2607 100644
--- a/core/html/HTMLDocument.idl
+++ b/core/html/HTMLDocument.idl
@@ -21,11 +21,15 @@
 interface HTMLDocument : Document {
     [Custom, CustomElementCallbacks] void open();
     void close();
-    [Custom, PerWorldBindings, ActivityLogging=AccessForIsolatedWorlds, CustomElementCallbacks] void write([Default=Undefined] optional DOMString text);
-    [Custom, PerWorldBindings, ActivityLogging=AccessForIsolatedWorlds, CustomElementCallbacks] void writeln([Default=Undefined] optional DOMString text);
+
+    // We support multiple DOMString arguments to match FF / IE, e.g.:
+    // document.write("a", "b", "c") --> document.write("abc")
+    // document.write() --> document.write("")
+    [CallWith=ActiveWindow, PerWorldBindings, ActivityLogging=ForIsolatedWorlds, CustomElementCallbacks] void write(DOMString... text);
+    [CallWith=ActiveWindow, PerWorldBindings, ActivityLogging=ForIsolatedWorlds, CustomElementCallbacks] void writeln(DOMString... text);
 
     readonly attribute HTMLCollection embeds;
-    readonly attribute HTMLCollection plugins;
+    [ImplementedAs=embeds] readonly attribute HTMLCollection plugins;
     readonly attribute HTMLCollection scripts;
 
     // Extensions