Refactor qualified send sets.

pkg/compiler/lib/src/universe/universe.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 universe;
 
 import 'dart:collection';
 
 import '../common/names.dart' show
     Identifiers,
@@ skipping 748 matching lines @@
       throw new SpannableAssertionFailure(
           element, "Can't get selector from $element");
     }
   }
 
   factory Selector.getter(Name name)
       => new Selector(SelectorKind.GETTER,
                       name.getter,
                       CallStructure.NO_ARGS);
 
-  factory Selector.getterFrom(Selector selector)
-      => new Selector(SelectorKind.GETTER,
-                      selector.memberName.getter,
-                      CallStructure.NO_ARGS);
-
   factory Selector.setter(Name name)
       => new Selector(SelectorKind.SETTER,
                       name.setter,
                       CallStructure.ONE_ARG);
 
   factory Selector.unaryOperator(String name) => new Selector(
       SelectorKind.OPERATOR,
       new PublicName(Elements.constructOperatorName(name, true)),
       CallStructure.NO_ARGS);
 
@@ skipping 127 matching lines @@
     // Add bits from the call structure.
     return Hashing.mixHashCodeBits(hash, callStructure.hashCode);
   }
 
   String toString() {
     return 'Selector($kind, $name, ${callStructure.structureToString()})';
   }
 
   Selector toCallSelector() => new Selector.callClosureFrom(this);
 }