Share the JavaScript based LinkedHashMap implementation between constant maps and the LinkedHashMap…

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 571 matching lines @@
   void onAbstractClassInstantiation(Registry registry) {}
 
   /// Register that the application may throw a [FallThroughError].
   void onFallThroughError(Registry registry) {}
 
   /// Register that a super call will end up calling
   /// [: super.noSuchMethod :].
   void onSuperNoSuchMethod(Registry registry) {}
 
   /// Register that the application creates a constant map.
-  void onConstantMap(Registry registry) {}
+  void onMapLiteral(Registry registry, DartType type, bool isConstant) {}
 
   /// Called when resolving the `Symbol` constructor.
   void onSymbolConstructor(Registry registry) {}
 }
 
 /**
  * Key class used in [TokenMap] in which the hash code for a token is based
  * on the [charOffset].
  */
 class TokenKey {
@@ skipping 1805 matching lines @@
     return futureClass.computeType(compiler).createInstantiation([elementType]);
   }
 
   @override
   InterfaceType streamType([DartType elementType = const DynamicType()]) {
     return streamClass.computeType(compiler).createInstantiation([elementType]);
   }
 }
 
 typedef void InternalErrorFunction(Spannable location, String message);