Install 'get call' on Closure class.

pkg/compiler/lib/src/js_emitter/old_emitter/class_emitter.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;
 
 class ClassEmitter extends CodeEmitterHelper {
 
   ClassStubGenerator get _stubGenerator =>
       new ClassStubGenerator(compiler, namer, backend);
@@ skipping 25 matching lines @@
     builder.superName = superName;
     emitConstructorsForCSP(cls);
     emitFields(cls, builder);
     emitCheckedClassSetters(cls, builder);
     emitClassGettersSettersForCSP(cls, builder);
     emitInstanceMembers(cls, builder);
     emitCallStubs(cls, builder);
     emitRuntimeTypeInformation(cls, builder);
     emitNativeInfo(cls, builder);
 
-    if (classElement == backend.closureClass) {
-      // We add a special getter here to allow for tearing off a closure from
-      // itself.
-      String name = namer.getMappedInstanceName(Compiler.CALL_OPERATOR_NAME);
-      jsAst.Fun function = js('function() { return this; }');
-      builder.addProperty(namer.getterNameFromAccessorName(name), function);
-    }
-
     emitTypeVariableReaders(classElement, builder);
 
     emitClassBuilderWithReflectionData(cls, builder, enclosingBuilder);
   }
   /**
   * Emits the precompiled constructor when in CSP mode.
   */
   void emitConstructorsForCSP(Class cls) {
     List<String> fieldNames = <String>[];
 
@@ skipping 524 matching lines @@
               js.number(index));
     }
     jsAst.Expression convertRtiToRuntimeType = emitter
         .staticFunctionAccess(backend.findHelper('convertRtiToRuntimeType'));
     compiler.dumpInfoTask.registerElementAst(element,
         builder.addProperty(name,
             js('function () { return #(#) }',
                 [convertRtiToRuntimeType, computeTypeVariable])));
   }
 }