dart2js: support checked setters in startup-emitter.

pkg/compiler/lib/src/js_emitter/startup_emitter/fragment_emitter.dart

 // Copyright (c) 2015, 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.
 
 part of dart2js.js_emitter.startup_emitter.model_emitter;
 
 /// The name of the property that stores the tear-off getter on a static
 /// function.
 ///
 /// This property is only used when isolates are used.
@@ skipping 576 matching lines @@
 
   /// Emits the prototype of the given class [cls].
   ///
   /// The prototype is generated as object literal. Inheritance is ignored.
   ///
   /// The prototype also includes the `is-property` that every class must have.
   // TODO(floitsch): we could avoid that property if we knew that it wasn't
   //    needed.
   js.Expression emitPrototype(Class cls) {
     Iterable<Method> methods = cls.methods;
+    Iterable<Method> checkedSetters = cls.checkedSetters;
     Iterable<Method> isChecks = cls.isChecks;
     Iterable<Method> callStubs = cls.callStubs;
     Iterable<Method> typeVariableReaderStubs = cls.typeVariableReaderStubs;
     Iterable<Method> noSuchMethodStubs = cls.noSuchMethodStubs;
     Iterable<Method> gettersSetters = generateGettersSetters(cls);
     Iterable<Method> allMethods =
-        [methods, isChecks, callStubs, typeVariableReaderStubs,
-    noSuchMethodStubs, gettersSetters].expand((x) => x);
+        [methods, checkedSetters, isChecks, callStubs, typeVariableReaderStubs,
+         noSuchMethodStubs, gettersSetters].expand((x) => x);
 
     List<js.Property> properties = <js.Property>[];
 
     if (cls.superclass == null) {
       properties.add(new js.Property(js.string("constructor"),
       classReference(cls)));
       properties.add(new js.Property(namer.operatorIs(cls.element),
       js.number(1)));
     }
 
@@ skipping 619 matching lines @@
     }
     statements.add(js.js.statement("setOrUpdateInterceptorsByTag(#);",
         js.objectLiteral(interceptorsByTag)));
     statements.add(js.js.statement("setOrUpdateLeafTags(#);",
         js.objectLiteral(leafTags)));
     statements.add(subclassAssignment);
 
     return new js.Block(statements);
   }
 }