bindings: Adds DOMArrayBuffer, etc. as thin wrappers for ArrayBuffer, etc.

Source/core/dom/ArrayBuffer.idl

Index: Source/core/dom/ArrayBuffer.idl
diff --git a/Source/core/frame/NavigatorLanguage.idl b/Source/core/dom/ArrayBuffer.idl
similarity index 51%
copy from Source/core/frame/NavigatorLanguage.idl
copy to Source/core/dom/ArrayBuffer.idl
index fe689f6c0d79278238f5ad7584193b24c3fe9b8b..12c506b725dbbdf349127840d66fa61dc1309513 100644
--- a/Source/core/frame/NavigatorLanguage.idl
+++ b/Source/core/dom/ArrayBuffer.idl
@@ -2,9 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// https://www.khronos.org/registry/typedarray/specs/latest/#ARRAYBUFFER
+
 [
+    ImplementedAs=DOMArrayBuffer,
     NoInterfaceObject,
-] interface NavigatorLanguage {
-    readonly attribute DOMString? language;
-    [CachedAttribute=hasLanguagesChanged] readonly attribute DOMString[] languages;
+] interface ArrayBuffer {
+    readonly attribute unsigned long byteLength;
 };