Create SendStructure for unary and binary in resolution.

pkg/compiler/lib/src/elements/elements.dart

 // Copyright (c) 2012, 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;
 
 
 import '../constants/expressions.dart';
 import '../tree/tree.dart';
 import '../util/util.dart';
@@ skipping 1382 matching lines @@
   /// Returns `true` if the class hierarchy for this class contains errors.
   bool get hasIncompleteHierarchy;
 
   void addMember(Element element, DiagnosticListener listener);
   void addToScope(Element element, DiagnosticListener listener);
 
   void addBackendMember(Element element);
   void reverseBackendMembers();
 
   Element lookupMember(String memberName);
-  Element lookupSelector(Selector selector);
-  Element lookupSuperSelector(Selector selector);
+  Element lookupByName(Name memberName);
+  Element lookupSuperByName(Name memberName);
 
   Element lookupLocalMember(String memberName);
   Element lookupBackendMember(String memberName);
   Element lookupSuperMember(String memberName);
 
   Element lookupSuperMemberInLibrary(String memberName,
                                      LibraryElement library);
 
   ConstructorElement lookupDefaultConstructor();
   ConstructorElement lookupConstructor(String name);
@@ skipping 231 matching lines @@
   bool get isDeclaredByField;
 
   /// Returns `true` if this member is abstract.
   bool get isAbstract;
 
   /// If abstract, [implementation] points to the overridden concrete member,
   /// if any. Otherwise [implementation] points to the member itself.
   Member get implementation;
 }