Revert "Extract CallStructure from Selector."

pkg/compiler/lib/src/elements/modelx.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 elements.modelx;
 
 import 'elements.dart';
 import '../constants/expressions.dart';
 import '../helpers/helpers.dart';  // Included for debug helpers.
 import '../tree/tree.dart';
@@ skipping 150 matching lines @@
   CompilationUnitElement get compilationUnit {
     Element element = this;
     while (!element.isCompilationUnit) {
       element = element.enclosingElement;
     }
     return element;
   }
 
   LibraryElement get library => enclosingElement.library;
 
-  Name get memberName => new Name(name, library);
-
   LibraryElement get implementationLibrary {
     Element element = this;
     while (!identical(element.kind, ElementKind.LIBRARY)) {
       element = element.enclosingElement;
     }
     return element;
   }
 
   ClassElement get enclosingClass {
     for (Element e = this; e != null; e = e.enclosingElement) {
@@ skipping 2887 matching lines @@
   AstElement get definingElement;
 
   bool get hasResolvedAst => definingElement.hasTreeElements;
 
   ResolvedAst get resolvedAst {
     return new ResolvedAst(declaration,
         definingElement.node, definingElement.treeElements);
   }
 
 }