Added back helper file accidentally deleted during test block 219 migration.

tests/lib/mirrors/declarations_model_easier.dart

Index: tests/lib/mirrors/declarations_model_easier.dart
diff --git a/tests/lib/mirrors/declarations_model_easier.dart b/tests/lib/mirrors/declarations_model_easier.dart
deleted file mode 100644
index a14ef893ed4d62100309df11838805c35b318209..0000000000000000000000000000000000000000
--- a/tests/lib/mirrors/declarations_model_easier.dart
+++ /dev/null
@@ -1,84 +0,0 @@
-// 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.declarations_model;
-
-var libraryVariable;
-get libraryGetter => null;
-set librarySetter(x) => x;
-libraryMethod() => null;
-
-typedef bool Predicate(dynamic);
-
-abstract class Interface<I> {
-  operator /(x) => null;
-
-  var interfaceInstanceVariable;
-  get interfaceInstanceGetter;
-  set interfaceInstanceSetter(x);
-  interfaceInstanceMethod();
-
-  static var interfaceStaticVariable;
-  static get interfaceStaticGetter => null;
-  static set interfaceStaticSetter(x) => x;
-  static interfaceStaticMethod() => null;
-}
-
-class Superclass<S> {
-  operator -(x) => null;
-
-  var inheritedInstanceVariable;
-  get inheritedInstanceGetter => null;
-  set inheritedInstanceSetter(x) => x;
-  inheritedInstanceMethod() => null;
-
-  static var inheritedStaticVariable;
-  static get inheritedStaticGetter => null;
-  static set inheritedStaticSetter(x) => x;
-  static inheritedStaticMethod() => null;
-
-  Superclass.inheritedGenerativeConstructor(this.inheritedInstanceVariable);
-  Superclass.inheritedRedirectingConstructor(x)
-      : this.inheritedGenerativeConstructor(x * 2);
-  factory Superclass.inheritedNormalFactory(y) =>
-      new Superclass.inheritedRedirectingConstructor(y * 3);
-  factory Superclass.inheritedRedirectingFactory(z) =
-      Superclass.inheritedNormalFactory;
-}
-
-abstract class Class<C> extends Superclass<C> implements Interface<C> {
-  operator +(x) => null;
-
-  abstractMethod();
-
-  var instanceVariable;
-  get instanceGetter => null;
-  set instanceSetter(x) => x;
-  instanceMethod() => null;
-
-  static var staticVariable;
-  static get staticGetter => null;
-  static set staticSetter(x) => x;
-  static staticMethod() => null;
-
-  Class.generativeConstructor(this.instanceVariable)
-      : super.inheritedGenerativeConstructor(0);
-  Class.redirectingConstructor(x) : this.generativeConstructor(x * 2);
-  factory Class.normalFactory(y) => new ConcreteClass(y * 3);
-  factory Class.redirectingFactory(z) = Class.normalFactory;
-}
-
-// This is just here as a target of Class's factories to appease the analyzer.
-class ConcreteClass<CC> extends Class<CC> {
-  abstractMethod() {}
-
-  operator /(x) => null;
-
-  var interfaceInstanceVariable;
-  get interfaceInstanceGetter => null;
-  set interfaceInstanceSetter(x) => null;
-  interfaceInstanceMethod() => null;
-
-  ConcreteClass(x) : super.generativeConstructor(x);
-}