Use entities in class_stub_generator.

pkg/compiler/lib/src/js_emitter/parameter_stub_generator.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.
 
 library dart2js.js_emitter.parameter_stub_generator;
 
-import '../closure.dart'
-    show ClosureClassElement;
+import '../closure.dart' show ClosureClassElement;
 import '../common.dart';
 import '../compiler.dart' show Compiler;
 import '../constants/values.dart';
 import '../elements/elements.dart'
     show
-    ClassElement,
-    FunctionElement,
-    FunctionSignature,
-    MethodElement,
-    ParameterElement;
+        ClassElement,
+        FunctionElement,
+        FunctionSignature,
+        MethodElement,
+        ParameterElement;
 import '../js/js.dart' as jsAst;
 import '../js/js.dart' show js;
 import '../js_backend/js_backend.dart'
-    show
-    JavaScriptBackend,
-    JavaScriptConstantCompiler,
-    Namer;
+    show JavaScriptBackend, JavaScriptConstantCompiler, Namer;
 import '../universe/call_structure.dart' show CallStructure;
 import '../universe/selector.dart' show Selector;
-import '../universe/world_builder.dart'
-    show SelectorConstraints;
+import '../universe/world_builder.dart' show SelectorConstraints;
 import '../world.dart' show ClosedWorld;
 
 import 'model.dart';
 
 import 'code_emitter_task.dart' show CodeEmitterTask, Emitter;
 
 class ParameterStubGenerator {
   static final Set<Selector> emptySelectorSet = new Set<Selector>();
 
   final Namer namer;
@@ skipping 21 matching lines @@
    *
    * Returns null if no stub is needed.
    *
    * Members may be invoked in two ways: directly, or through a closure. In the
    * latter case the caller invokes the closure's `call` method. This method
    * accepts two selectors. The returned stub method has the corresponding
    * name [ParameterStubMethod.name] and [ParameterStubMethod.callName] set if
    * the input selector is non-null (and the member needs a stub).
    */
   ParameterStubMethod generateParameterStub(
-      FunctionElement member, Selector selector, Selector callSelector) {
+      MethodElement member, Selector selector, Selector callSelector) {
     CallStructure callStructure = selector.callStructure;
     FunctionSignature parameters = member.functionSignature;
     int positionalArgumentCount = callStructure.positionalArgumentCount;
     if (positionalArgumentCount == parameters.parameterCount) {
       assert(callStructure.isUnnamed);
       return null;
     }
     if (parameters.optionalParametersAreNamed &&
         callStructure.namedArgumentCount == parameters.optionalParameterCount) {
       // If the selector has the same number of named arguments as the element,
@@ skipping 225 matching lines @@
             generateParameterStub(member, selector, null);
         if (stub != null) {
           stubs.add(stub);
         }
       }
     }
 
     return stubs;
   }
 }