dart2js: remove JS_OBJECT_CLASS_NAME and JS_NULL_CLASS_NAME from foreign

sdk/lib/_internal/compiler/js_lib/shared/embedded_names.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /// Contains the names of globals that are embedded into the output by the
 /// compiler.
 ///
 /// Variables embedded this way should be access with `JS_EMBEDDED_GLOBAL` from
 /// the `_foreign_helper` library.
 ///
@@ skipping 103 matching lines @@
   ///                JsBuiltin.classNameFromIsCheckProperty,
   ///                isCheckProperty);
   classNameFromIsCheckProperty,
 
   /// Returns true if the given type is a function type. Returns false for
   /// the one `Function` type singleton. (See [isFunctionTypeSingleton]).
   ///
   ///     JS_BUILTIN('bool', JsBuiltin.isFunctionType, o)
   isFunctionType,
 
-  /// Returns true if the given type is the `Function` type literal.
-  ///
-  ///     JS_BUILTIN('returns:bool;effects:none;depends:none',
-  ///                JsBuiltin.isFunctionTypeLiteral, type);
-  isFunctionTypeLiteral,
-
   /// Returns a new function type object.
   ///
   ///     JS_BUILTIN('=Object', JsBuiltin.createFunctionType)
   createFunctionType,
 
   /// Returns the class name of the given type.
   ///
   ///     JS_BUILTIN('String', JsBuiltin.typeName, type)
   typeName,
 
   /// Returns the raw runtime type of the given object. The given argument
   /// [o] should be the interceptor (for non-Dart objects).
   ///
   ///     JS_BUILTIN('', JsBuiltin.rawRuntimeType, o)
   rawRuntimeType,
 
   /// Returns whether the given type is a subtype of other.
   ///
   /// The argument `other` is the name of the potential supertype. It is
   /// computed by `runtimeTypeToString`;
   ///
   /// *The `other` name must be passed in before the `type`.*
   ///
   ///     JS_BUILTIN('returns:bool;effects:none;depends:none',
   ///                JsBuiltin.isSubtype, other, type);
   isSubtype,
 
+  /// Returns true if the given type is _the_ `Function` type.
+  /// That is, it returns true if the given [type] is exactly the `Function`
+  /// type rti-encoding.
+  ///
+  ///     JS_BUILTIN('returns:bool;effects:none;depends:none',
+  ///                JsBuiltin.isFunctionTypeLiteral, type);
+  isFunctionTypeRti,
+
+  /// Returns whether the given type is _the_ null-type..
+  ///
+  ///     JS_BUILTIN('returns:bool;effects:none;depends:none',
+  ///                JsBuiltin.isNullType, type);
+  isNullTypeRti,
+
+  /// Returns whether the given type is _the_ Dart Object type.
+  ///
+  ///     JS_BUILTIN('returns:bool;effects:none;depends:none',
+  ///                JsBuiltin.isDartObjectType, type);
+  isDartObjectTypeRti,
+
   /// Returns the metadata of the given [index].
   ///
   ///     JS_BUILTIN('returns:var;effects:none;depends:none',
   ///                JsBuiltin.getMetadata, index);
   getMetadata,
 
   /// Returns the type of the given [index].
   ///
   ///     JS_BUILTIN('returns:var;effects:none;depends:none',
   ///                JsBuiltin.getType, index);
   getType,
 }