Move common identifiers, names and selectors to a separate library.

pkg/compiler/lib/src/serialization/modelz.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.
 
 /// Implementation of the element model used for deserialiation.
 ///
 /// These classes are created by [ElementDeserializer] triggered by the
 /// [Deserializer].
 
 library dart2js.serialization.modelz;
@@ skipping 1215 matching lines @@
     with ClassMemberMixin, InstanceMemberMixin {
   InstanceSetterElementZ(ObjectDecoder decoder)
       : super(decoder);
 }
 
 abstract class TypeDeclarationMixin<T extends GenericType>
     implements DeserializedElementZ, TypeDeclarationElement {
   List<DartType> _typeVariables;
   T _rawType;
   T _thisType;
+  Name _memberName;
+
+  Name get memberName {
+    if (_memberName == null) {
+      _memberName = new Name(name, library);
+    }
+    return _memberName;
+  }
 
   void _ensureTypes() {
     if (_typeVariables == null) {
       _typeVariables = _decoder.getTypes(
           Key.TYPE_VARIABLES, isOptional: true);
       _rawType = _createType(new List<DartType>.filled(
           _typeVariables.length, const DynamicType()));
       _thisType = _createType(_typeVariables);
     }
   }
@@ skipping 65 matching lines @@
 }
 
 class TypeVariableElementZ extends DeserializedElementZ
     with AnalyzableElementMixin,
          AstElementMixin,
          TypedElementMixin
     implements TypeVariableElement {
   TypeDeclarationElement _typeDeclaration;
   TypeVariableType _type;
   DartType _bound;
+  Name _memberName;
 
   TypeVariableElementZ(ObjectDecoder decoder)
       : super(decoder);
 
+  Name get memberName {
+    if (_memberName == null) {
+      _memberName = new Name(name, library);
+    }
+    return _memberName;
+  }
+
   @override
   ElementKind get kind => ElementKind.TYPE_VARIABLE;
 
   @override
   accept(ElementVisitor visitor, arg) {
     return visitor.visitTypeVariableElement(this, arg);
   }
 
   @override
   CompilationUnitElement get compilationUnit {
@@ skipping 115 matching lines @@
 
   @override
   accept(ElementVisitor visitor, arg) {
     return visitor.visitFieldParameterElement(this, arg);
   }
 
   @override
   ElementKind get kind => ElementKind.INITIALIZING_FORMAL;
 
 }