Add DartTypes to abstract Types.

pkg/compiler/lib/src/compiler.dart

 // Copyright (c) 2012, 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.
 
 part of dart2js;
 
 /**
  * If true, print a warning for each method that was resolved, but not
  * compiled.
  */
@@ skipping 2360 matching lines @@
   ClassElementX mapClass;
   ClassElementX symbolClass;
   ClassElementX stackTraceClass;
   ClassElementX futureClass;
   ClassElementX iterableClass;
   ClassElementX streamClass;
 
   _CompilerCoreTypes(this.compiler);
 
   @override
+  InterfaceType get objectType => objectClass.computeType(compiler);
+
+  @override
   InterfaceType get boolType => boolClass.computeType(compiler);
 
   @override
   InterfaceType get doubleType => doubleClass.computeType(compiler);
 
   @override
   InterfaceType get functionType =>  functionClass.computeType(compiler);
 
   @override
   InterfaceType get intType => intClass.computeType(compiler);
@@ skipping 11 matching lines @@
   }
 
   @override
   InterfaceType get nullType => nullClass.computeType(compiler);
 
   @override
   InterfaceType get numType => numClass.computeType(compiler);
 
   @override
   InterfaceType get stringType =>  stringClass.computeType(compiler);
-}
+}
+
+typedef void InternalErrorFunction(Spannable location, String message);