Make static tear-off closures a class, like instance tear-off closures.

sdk/lib/_internal/compiler/implementation/js_backend/constant_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.
 
 part of js_backend;
 
 class ConstantEmitter  {
   ConstantReferenceEmitter _referenceEmitter;
   ConstantInitializerEmitter _initializerEmitter;
 
@@ skipping 48 matching lines @@
 
   jsAst.Expression _visit(Constant constant) {
     return constant.accept(this);
   }
 
   jsAst.Expression visitSentinel(SentinelConstant constant) {
     return new jsAst.VariableUse(namer.CURRENT_ISOLATE);
   }
 
   jsAst.Expression visitFunction(FunctionConstant constant) {
-    return new jsAst.VariableUse(namer.isolateAccess(constant.element));
+    return new jsAst.VariableUse(
+        namer.isolateStaticClosureAccess(constant.element));
   }
 
   jsAst.Expression visitNull(NullConstant constant) {
     return new jsAst.LiteralNull();
   }
 
   jsAst.Expression visitInt(IntConstant constant) {
     return new jsAst.LiteralNumber('${constant.value}');
   }
 
@@ skipping 229 matching lines @@
   }
 
   List<jsAst.Expression> _array(List<Constant> values) {
     List<jsAst.Expression> valueList = <jsAst.Expression>[];
     for (int i = 0; i < values.length; i++) {
       valueList.add(_reference(values[i]));
     }
     return valueList;
   }
 }