Update mirror tests for removed API.

tests/lib/mirrors/parameter_metadata_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.
 
 library test.parameter_metadata_test;
 
 import 'dart:mirrors';
 
 import 'metadata_test.dart';
 
@@ skipping 14 matching lines @@
   baz(@m1 final int x, @m2 int y, @m3 final int z) {}
   qux(int x, [@m3 @m2 @m1 int y= 3 + 1]) {}
   quux(int x, {String str: "foo"}) {}
   corge({@m1 int x: 3 * 17, @m2 String str: "bar"}) {}
 
   set x(@m2 final value) {}
 }
 
 main() {
   ClassMirror cm = reflectClass(B);
+  MethodMirror mm;
 
-  checkMetadata(cm.constructors[#B.foo].parameters[0], []);
+  mm = cm.declarations[#B.foo];
+  checkMetadata(mm.parameters[0], []);
 
-  checkMetadata(cm.constructors[#B.bar].parameters[0], [m3, m2]);
-  checkMetadata(cm.constructors[#B.bar].parameters[1], []);
+  mm = cm.declarations[#B.bar];
+  checkMetadata(mm.parameters[0], [m3, m2]);
+  checkMetadata(mm.parameters[1], []);
 
-  checkMetadata(cm.methods[#baz].parameters[0], [m1]);
-  checkMetadata(cm.methods[#baz].parameters[1], [m2]);
-  checkMetadata(cm.methods[#baz].parameters[2], [m3]);
+  mm = cm.declarations[#baz];
+  checkMetadata(mm.parameters[0], [m1]);
+  checkMetadata(mm.parameters[1], [m2]);
+  checkMetadata(mm.parameters[2], [m3]);
 
-  checkMetadata(cm.methods[#qux].parameters[0], []);
-  checkMetadata(cm.methods[#qux].parameters[1], [m3, m2, m1]);
+  mm = cm.declarations[#qux];
+  checkMetadata(mm.parameters[0], []);
+  checkMetadata(mm.parameters[1], [m3, m2, m1]);
 
-  checkMetadata(cm.methods[#quux].parameters[0], []);
-  checkMetadata(cm.methods[#quux].parameters[1], []);
+  mm = cm.declarations[#quux];
+  checkMetadata(mm.parameters[0], []);
+  checkMetadata(mm.parameters[1], []);
 
-  checkMetadata(cm.methods[#corge].parameters[0], [m1]);
-  checkMetadata(cm.methods[#corge].parameters[1], [m2]);
+  mm = cm.declarations[#corge];
+  checkMetadata(mm.parameters[0], [m1]);
+  checkMetadata(mm.parameters[1], [m2]);
 
-  checkMetadata(cm.setters[const Symbol('x=')].parameters[0], [m2]);
+  mm = cm.declarations[const Symbol('x=')];
+  checkMetadata(mm.parameters[0], [m2]);
 }