Split scannerlib.dart into several libraries.

pkg/compiler/lib/src/elements/modelx.dart

 // Copyright (c) 2013, 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.
 
 library elements.modelx;
 
 import '../compiler.dart' show
     Compiler;
 import '../constants/constant_constructors.dart';
 import '../constants/constructors.dart';
@@ skipping 17 matching lines @@
     ClassScope,
     LibraryScope,
     Scope,
     TypeDeclarationScope;
 import '../resolution/resolution.dart' show
     AnalyzableElementX;
 import '../resolution/tree_elements.dart' show
     TreeElements;
 import '../resolution/typedefs.dart' show
     TypedefCyclicVisitor;
-import '../scanner/scannerlib.dart' show
+import '../scanner/token.dart' show
     EOF_TOKEN,
     ErrorToken,
     Token;
 import '../script.dart';
 import '../tree/tree.dart';
 import '../util/util.dart';
 
 import 'common.dart';
 import 'elements.dart';
 import 'visitor.dart' show
@@ skipping 2860 matching lines @@
   AstElement get definingElement;
 
   bool get hasResolvedAst => definingElement.hasTreeElements;
 
   ResolvedAst get resolvedAst {
     return new ResolvedAst(declaration,
         definingElement.node, definingElement.treeElements);
   }
 
 }