Do not emit stubName for static functions.

pkg/compiler/lib/src/js_emitter/old_emitter/container_builder.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.
 
 part of dart2js.js_emitter;
 
 /// This class should morph into something that makes it easy to build
 /// JavaScript representations of libraries, class-sides, and instance-sides.
 /// Initially, it is just a placeholder for code that is moved from
 /// [CodeEmitterTask].
@@ skipping 99 matching lines @@
     List tearOffInfo = [new jsAst.LiteralString(callSelectorString)];
 
     for (ParameterStubMethod stub in method.parameterStubs) {
       String invocationName = stub.name;
       emitter.interceptorEmitter
           .recordMangledNameOfMemberMethod(member, invocationName);
 
       expressions.add(stub.code);
       if (member.isInstanceMember) {
         expressions.add(js.string(invocationName));
-      } else {
-        // TOOD(floitsch): Since we know when reading static data versus
-        // instance data, we can eliminate this element.
-        expressions.add(js('null'));
       }
       String callName = stub.callName;
       String callSelectorString = (callName == null) ? 'null' : '"$callName"';
       tearOffInfo.add(new jsAst.LiteralString(callSelectorString));
     }
 
     expressions
         ..addAll(tearOffInfo)
         ..add((tearOffName == null || member.isAccessor)
               ? js("null") : js.string(tearOffName))
@@ skipping 42 matching lines @@
     jsAst.ArrayInitializer arrayInit =
       new jsAst.ArrayInitializer(expressions.toList());
     compiler.dumpInfoTask.registerElementAst(member,
         builder.addProperty(name, arrayInit));
   }
 
   void addMemberField(Field field, ClassBuilder builder) {
     // For now, do nothing.
   }
 }