Const variables handled as final

lib/compiler/implementation/js_backend/emitter.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.
 
 /**
  * A function element that represents a closure call. The signature is copied
  * from the given element.
  */
 class ClosureInvocationElement extends FunctionElement {
   ClosureInvocationElement(SourceString name,
@@ skipping 374 matching lines @@
     }
   }
 
   bool instanceFieldNeedsGetter(Element member) {
     assert(member.kind === ElementKind.FIELD);
     return compiler.codegenWorld.hasInvokedGetter(member, compiler);
   }
 
   bool instanceFieldNeedsSetter(Element member) {
     assert(member.kind === ElementKind.FIELD);
-    return (member.modifiers === null || !member.modifiers.isFinal())
+    return (member.modifiers === null || !member.modifiers.isFinalOrConst())
         && compiler.codegenWorld.hasInvokedSetter(member, compiler);
   }
 
   String compiledFieldName(Element member) {
     assert(member.kind === ElementKind.FIELD);
     return member.isNative()
         ? member.name.slowToString()
         : namer.getName(member);
   }
 
@@ skipping 761 matching lines @@
         sourceName = token.slowToString();
       }
       int totalOffset = bufferOffset + offset;
       sourceMapBuilder.addMapping(
           sourceFile, token.charOffset, sourceName, totalOffset);
     });
   }
 }
 
 typedef void DefineMemberFunction(String invocationName, CodeBuffer definition);