Support for latest WebIDL for indexed property getters.

Source/core/plugins/DOMPlugin.idl

Index: Source/core/plugins/DOMPlugin.idl
diff --git a/Source/core/plugins/DOMPlugin.idl b/Source/core/plugins/DOMPlugin.idl
index f4ac45c5d0d3c9f775614be1765e444d18fa98ba..08e4a846392326bc0dac7cbdddff59f12d7bab29 100644
--- a/Source/core/plugins/DOMPlugin.idl
+++ b/Source/core/plugins/DOMPlugin.idl
@@ -19,14 +19,13 @@
 */
 
 [
-    IndexedGetter,
     InterfaceName=Plugin
 ] interface DOMPlugin {
     readonly attribute DOMString name;
     readonly attribute DOMString filename;
     readonly attribute DOMString description;
     readonly attribute unsigned long length;
-    DOMMimeType item([Default=Undefined] optional unsigned long index);
+    getter DOMMimeType item([Default=Undefined] optional unsigned long index);
     getter DOMMimeType namedItem([Default=Undefined] optional DOMString name);
 };