Remove static fields in the namer.

lib/compiler/implementation/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('../tree/tree.dart');
 #import('../scanner/scannerlib.dart');
 #import('../leg.dart');  // TODO(karlklose): we only need type.
 #import('../util/util.dart');
@@ skipping 935 matching lines @@
     return isLocal(element);
   }
 
   static SourceString constructConstructorName(SourceString receiver,
                                                SourceString selector) {
     String r = receiver.slowToString();
     String s = selector.slowToString();
     return new SourceString('$r\$$s');
   }
 
+  static final SourceString OPERATOR_EQUALS =
+      const SourceString(@'operator$eq');
+
   static SourceString constructOperatorName(SourceString receiver,
                                             SourceString selector,
                                             [bool isPrefix = false]) {
     String str = selector.stringValue;
-    if (str === '==' || str === '!=') return Namer.OPERATOR_EQUALS;
+    if (str === '==' || str === '!=') return OPERATOR_EQUALS;
 
     if (str === '~') str = 'not';
     else if (str === 'negate' || (str === '-' && isPrefix)) str = 'negate';
     else if (str === '[]') str = 'index';
     else if (str === '[]=') str = 'indexSet';
     else if (str === '*' || str === '*=') str = 'mul';
     else if (str === '/' || str === '/=') str = 'div';
     else if (str === '%' || str === '%=') str = 'mod';
     else if (str === '~/' || str === '~/=') str = 'tdiv';
     else if (str === '+' || str === '+=') str = 'add';
@@ skipping 88 matching lines @@
   final Node node;
   Type bound;
   Type type;
   TypeVariableElement(name, Element enclosing, this.node, this.type,
                       [this.bound])
     : super(name, ElementKind.TYPE_VARIABLE, enclosing);
   Type computeType(compiler) => type;
   Node parseNode(compiler) => node;
   toString() => "${enclosingElement.toString()}.${name.slowToString()}";
 }