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

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

Index: pkg/compiler/lib/src/js_backend/codegen/glue.dart
diff --git a/pkg/compiler/lib/src/js_backend/codegen/glue.dart b/pkg/compiler/lib/src/js_backend/codegen/glue.dart
index 712e90a69c22bdf99d18b449b5aab110efc109d5..5dfd8de7541ce7bf45fe4a3ce41d5cb83353bfdc 100644
--- a/pkg/compiler/lib/src/js_backend/codegen/glue.dart
+++ b/pkg/compiler/lib/src/js_backend/codegen/glue.dart
@@ -43,10 +43,14 @@ class Glue {
     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);
   }