Implement topLevelMembers, staticMembers, instanceMembers in the VM.

sdk/lib/mirrors/mirrors.dart

Index: sdk/lib/mirrors/mirrors.dart
diff --git a/sdk/lib/mirrors/mirrors.dart b/sdk/lib/mirrors/mirrors.dart
index 027b197ffd55ad2d897b2d4ad55d7b080d770f1a..a366d72a469610bc6a59b805fd0493d383c20808 100644
--- a/sdk/lib/mirrors/mirrors.dart
+++ b/sdk/lib/mirrors/mirrors.dart
@@ -919,6 +919,15 @@ abstract class MethodMirror implements DeclarationMirror {
   bool get isAbstract;
 
   /**
+   * Returns true if the reflectee is synthetic, and returns false otherwise.
+   *
+   * A reflectee is synthetic if it is a getter or setter implicitly introduced
+   * for a field or Type, or if it is a constructor that was implicitly
+   * introduced as a default constructor or as part of a mixin application.
+   */
+  bool get isSynthetic;
+
+  /**
    * Is the reflectee a regular function or method?
    *
    * A function or method is regular if it is not a getter, setter, or