[DO NOT LAND] Set @@toStringTag for DOM object prototypes

LayoutTests/inspector/console/console-format-collections-expected.txt

Index: LayoutTests/inspector/console/console-format-collections-expected.txt
diff --git a/LayoutTests/inspector/console/console-format-collections-expected.txt b/LayoutTests/inspector/console/console-format-collections-expected.txt
index 7fbf7632c30c0c8821e6278544927c3ff9b06f77..36d61f9d89c273887a25c3738abe12eb36811b88 100644
--- a/LayoutTests/inspector/console/console-format-collections-expected.txt
+++ b/LayoutTests/inspector/console/console-format-collections-expected.txt
@@ -54,16 +54,16 @@ console-format-collections.html:63 ArrayLike
 console-format-collections.html:64 ArrayLike
 console-format-collections.html:65 ArrayLike
 console-format-collections.html:66 ArrayLike
-console-format-collections.html:15 [select#sel, sel: select#sel, item: function, namedItem: function]
-console-format-collections.html:19 [script, script, script, item: function, namedItem: function]
-console-format-collections.html:23 [option, option, selectedIndex: 0, add: function, remove: function, namedItem: function, item: function]
-console-format-collections.html:27 [html, head, script, script, script, body, p, div.c1.c2.c3, form#f, select#sel, option, option, input, input, f: form#f, sel: select#sel, x: NodeList[2], item: function, namedItem: function]
-console-format-collections.html:31 [select#sel, input, input, sel: select#sel, x: RadioNodeList[2], namedItem: function, item: function]
-console-format-collections.html:35 [input, input, value: "", item: function]
+console-format-collections.html:15 [select#sel, sel: select#sel, Symbol(Symbol.toStringTag): "HTMLCollection", item: function, namedItem: function]
+console-format-collections.html:19 [script, script, script, Symbol(Symbol.toStringTag): "HTMLCollection", item: function, namedItem: function]
+console-format-collections.html:23 [option, option, selectedIndex: 0, Symbol(Symbol.toStringTag): "HTMLOptionsCollection", add: function, remove: function, namedItem: function…]
+console-format-collections.html:27 [html, head, script, script, script, body, p, div.c1.c2.c3, form#f, select#sel, option, option, input, input, f: form#f, sel: select#sel, x: NodeList[2], Symbol(Symbol.toStringTag): "HTMLAllCollection", item: function…]
+console-format-collections.html:31 [select#sel, input, input, sel: select#sel, x: RadioNodeList[2], Symbol(Symbol.toStringTag): "HTMLFormControlsCollection", namedItem: function, item: function]
+console-format-collections.html:35 [input, input, value: "", Symbol(Symbol.toStringTag): "RadioNodeList", item: function]
 console-format-collections.html:41 [1, Array[2]]
 console-format-collections.html:44 NonArrayWithLength {keys: Array[0], length: (...)}
 console-format-collections.html:51 [1, "2"]
-console-format-collections.html:55 ["c1", "c2", "c3", item: function, contains: function, add: function, remove: function, toggle: function…]
+console-format-collections.html:55 ["c1", "c2", "c3", Symbol(Symbol.toStringTag): "DOMTokenList", item: function, contains: function, add: function, remove: function…]
 console-format-collections.html:58 [splice: function]
 console-format-collections.html:59 [splice: function]
 console-format-collections.html:61 ArrayLike {length: -5, splice: function}