Remove weird operator== implementations.

dart/tests/compiler/dart2js/analyze_api_test.dart

Index: dart/tests/compiler/dart2js/analyze_api_test.dart
diff --git a/dart/tests/compiler/dart2js/analyze_api_test.dart b/dart/tests/compiler/dart2js/analyze_api_test.dart
index e5bc2f4ee61b346a3dbe17707ea060ba87d2f14a..3c5c9e7ad881f4246ee7c1717cc2808ced028c54 100644
--- a/dart/tests/compiler/dart2js/analyze_api_test.dart
+++ b/dart/tests/compiler/dart2js/analyze_api_test.dart
@@ -22,11 +22,11 @@ import 'analyze_helper.dart';
 const Map<String, List<String>> WHITE_LIST = const {
   'sdk/lib/html/dart2js/html_dart2js.dart':
       const ['Hint: The class "Rect" overrides "operator==", '
-             'but not "get hashCode".',
+             'but not "get hashCode".', // http://dartbug.com/11613
              'Hint: The class "Point" overrides "operator==", '
-             'but not "get hashCode".',
+             'but not "get hashCode".', // http://dartbug.com/11613
              'Hint: The class "_ClientRect" overrides "operator==", '
-             'but not "get hashCode".',
+             'but not "get hashCode".', // http://dartbug.com/11613
       ],
 };