Use entities in js_emitter/model.dart

pkg/compiler/lib/src/js_emitter/full_emitter/class_emitter.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.
 
 part of dart2js.js_emitter.full_emitter;
 
 class ClassEmitter extends CodeEmitterHelper {
   final ClosedWorld closedWorld;
 
   ClassEmitter(this.closedWorld);
@@ skipping 181 matching lines @@
       builder.fieldMetadata = fieldMetadata;
     }
     return fieldsAdded;
   }
 
   /// Emits checked setters for fields.
   void emitCheckedClassSetters(Class cls, ClassBuilder builder) {
     if (cls.onlyForRti) return;
 
     for (StubMethod method in cls.checkedSetters) {
-      Element member = method.element;
+      MemberElement member = method.element;
       assert(member != null);
       jsAst.Expression code = method.code;
       jsAst.Name setterName = method.name;
       compiler.dumpInfoTask
           .registerElementAst(member, builder.addProperty(setterName, code));
       generateReflectionDataForFieldGetterOrSetter(member, setterName, builder,
           isGetter: false);
     }
   }
 
@@ skipping 31 matching lines @@
     assert(invariant(classElement, classElement.isDeclaration));
 
     if (cls.onlyForRti || cls.isMixinApplication) return;
 
     // TODO(herhut): This is a no-op. Should it be removed?
     for (Field field in cls.fields) {
       emitter.containerBuilder.addMemberField(field, builder);
     }
 
     for (Method method in cls.methods) {
-      assert(invariant(classElement, method.element.isDeclaration));
       assert(invariant(classElement, method.element.isInstanceMember));
       emitter.containerBuilder.addMemberMethod(method, builder);
     }
 
     if (classElement.isObject && backend.enabledNoSuchMethod) {
       // Emit the noSuchMethod handlers on the Object prototype now,
       // so that the code in the dynamicFunction helper can find
       // them. Note that this helper is invoked before analyzing the
       // full JS script.
       emitter.nsmEmitter.emitNoSuchMethodHandlers(builder.addProperty);
@@ skipping 157 matching lines @@
         : new Selector.setter(
             new Name(member.name, member.library, isSetter: true));
     String reflectionName = emitter.getReflectionName(selector, name);
     if (reflectionName != null) {
       var reflectable =
           js(backend.isAccessibleByReflection(member) ? '1' : '0');
       builder.addPropertyByName('+$reflectionName', reflectable);
     }
   }
 }