Moved some MethodMirror properties from embedded API to native calls.

tests/lib/mirrors/method_mirror_properties_test.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.
+
+import "dart:mirrors";
+
+import "package:expect/expect.dart";
+
+doNothing42() {}
+
+int _x = 5;
+int get topGetter => _x;
+void set topSetter(x) { _x = x; }
+
+class AbstractC {
+
+  AbstractC();
+
+  void bar();
+  get priv;
+  set priv(value);
+}
+
+class C extends AbstractC {
+
+  static foo() {}
+
+  C();
+  C.other();
+  C.other2() : this.other();
+
+  var _priv;
+  get priv => _priv;
+  set priv(value) => _priv = value;
+}
+
+checkKinds(method, kinds) {
+  Expect.equals(method.isStatic, kinds[0]);
+  Expect.equals(method.isAbstract, kinds[1]);
+  Expect.equals(method.isGetter, kinds[2]);
+  Expect.equals(method.isSetter, kinds[3]);
+  Expect.equals(method.isConstructor, kinds[4]);
+}
+
+main() {
+  // Top level functions should be static.
+  var closureMirror = reflect(doNothing42);
+  checkKinds(closureMirror.function,
+      [true, false, false, false, false]);
+  var libraryMirror = reflectClass(C).owner;
+  checkKinds(libraryMirror.getters[const Symbol("topGetter")],
+      [true, false, true, false, false]);
+  checkKinds(libraryMirror.setters[const Symbol("topSetter=")],
+      [true, false, false, true, false]);
+  var classMirror;
+  classMirror = reflectClass(C);
+  checkKinds(classMirror.members[const Symbol("foo")],
+      [true, false, false, false, false]);
+  checkKinds(classMirror.members[const Symbol("priv")],
+      [false, false, true, false, false]);
+  checkKinds(classMirror.members[const Symbol("priv=")],
+      [false, false, false, true, false]);
+  checkKinds(classMirror.constructors[const Symbol("C")],
+      [false, false, false, false, true]);
+  checkKinds(classMirror.constructors[const Symbol("C.other")],
+      [false, false, false, false, true]);
+  checkKinds(classMirror.constructors[const Symbol("C.other2")],
+      [false, false, false, false, true]);
+  classMirror = reflectClass(AbstractC);
+  checkKinds(classMirror.constructors[const Symbol("AbstractC")],
+      [false, false, false, false, true]);
+  checkKinds(classMirror.members[const Symbol("bar")],
+      [false, true, false, false, false]);
+  checkKinds(classMirror.members[const Symbol("priv")],
+      [false, true, true, false, false]);
+  checkKinds(classMirror.members[const Symbol("priv=")],
+      [false, true, false, true, false]);
+}