Revert "Handle most qualified sends."

pkg/compiler/lib/src/warnings.dart

 // Copyright (c) 2011, 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.
 
 part of dart2js;
 
 const DONT_KNOW_HOW_TO_FIX = "Computer says no!";
 
 /**
  * The messages in this file should meet the following guide lines:
@@ skipping 512 matching lines @@
   static const MessageKind INITIALIZING_FORMAL_NOT_ALLOWED = const MessageKind(
       "Initializing formal parameter only allowed in generative "
       "constructor.");
 
   static const MessageKind INVALID_PARAMETER = const MessageKind(
       "Cannot resolve parameter.");
 
   static const MessageKind NOT_INSTANCE_FIELD = const MessageKind(
       "'#{fieldName}' is not an instance field.");
 
-  static const MessageKind THIS_PROPERTY = const MessageKind(
-      "Expected an identifier.");
-
   static const MessageKind NO_CATCH_NOR_FINALLY = const MessageKind(
       "Expected 'catch' or 'finally'.");
 
   static const MessageKind EMPTY_CATCH_DECLARATION = const MessageKind(
       "Expected an identifier in catch declaration.");
 
   static const MessageKind EXTRA_CATCH_DECLARATION = const MessageKind(
       "Extra parameter in catch declaration.");
 
   static const MessageKind PARAMETER_WITH_TYPE_IN_CATCH = const MessageKind(
@@ skipping 2066 matching lines @@
   static String convertToString(value) {
     if (value is ErrorToken) {
       // Shouldn't happen.
       return value.assertionMessage;
     } else if (value is Token) {
       value = value.value;
     }
     return '$value';
   }
 }