Support static getters and setters in the new dart2js code generator.

pkg/compiler/lib/src/js_backend/codegen/glue.dart

 // Copyright (c) 2014, 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.
 
 library code_generator_dependencies;
 
 import '../js_backend.dart';
 import '../../dart2jslib.dart';
 import '../../js_emitter/js_emitter.dart';
 import '../../js/js.dart' as js;
@@ skipping 25 matching lines @@
   }
 
   reportInternalError(String message) {
     _compiler.internalError(_compiler.currentElement, message);
   }
 
   ConstantExpression getConstantForVariable(VariableElement variable) {
     return _backend.constants.getConstantForVariable(variable);
   }
 
-  js.Expression staticFunctionAccess(Element element) {
+  js.Expression staticFunctionAccess(FunctionElement element) {
     return _backend.emitter.staticFunctionAccess(element);
   }
 
+  js.Expression staticFieldAccess(FieldElement element) {
+    return _backend.emitter.staticFieldAccess(element);
+  }
+
   String safeVariableName(String name) {
     return _namer.safeVariableName(name);
   }
 
   ClassElement get listClass => _compiler.listClass;
 
   ConstructorElement get mapLiteralConstructor {
     return _backend.mapLiteralConstructor;
   }
 
@@ skipping 84 matching lines @@
   bool needsSubstitutionForTypeVariableAccess(ClassElement cls) {
     ClassWorld classWorld = _compiler.world;
     if (classWorld.isUsedAsMixin(cls)) return true;
 
     Iterable<ClassElement> subclasses = _compiler.world.strictSubclassesOf(cls);
     return subclasses.any((ClassElement subclass) {
       return !_backend.rti.isTrivialSubstitution(subclass, cls);
     });
   }
 }