Move 'embeds' / 'plugins' attributes from HTMLDocument to Document

Source/core/html/HTMLDocument.idl

Index: Source/core/html/HTMLDocument.idl
diff --git a/Source/core/html/HTMLDocument.idl b/Source/core/html/HTMLDocument.idl
index 61f0bf9342f6e690f8c7dede550959119da62f2d..2dddd877ae117dffd8b20aaa5dd4db6575445259 100644
--- a/Source/core/html/HTMLDocument.idl
+++ b/Source/core/html/HTMLDocument.idl
@@ -28,9 +28,6 @@ interface HTMLDocument : Document {
     [CallWith=ActiveWindow, PerWorldBindings, ActivityLogging=ForIsolatedWorlds, CustomElementCallbacks] void write(DOMString... text);
     [CallWith=ActiveWindow, PerWorldBindings, ActivityLogging=ForIsolatedWorlds, CustomElementCallbacks] void writeln(DOMString... text);
 
-    readonly attribute HTMLCollection embeds;
-    [ImplementedAs=embeds] readonly attribute HTMLCollection plugins;
-
     // Extensions
 
     [Replaceable, ImplementedAs=allForBinding] readonly attribute HTMLAllCollection all;