Avoid duplicated imports.

dart/tests/compiler/dart2js/call_site_type_inferer_test.dart

Index: dart/tests/compiler/dart2js/call_site_type_inferer_test.dart
diff --git a/dart/tests/compiler/dart2js/call_site_type_inferer_test.dart b/dart/tests/compiler/dart2js/call_site_type_inferer_test.dart
index 8176f7547f1f1ea850ea1b7f16b2d38d4cf47fb0..a32d9e62bc3f2252e1f5029502aa85254a3467d9 100644
--- a/dart/tests/compiler/dart2js/call_site_type_inferer_test.dart
+++ b/dart/tests/compiler/dart2js/call_site_type_inferer_test.dart
@@ -2,14 +2,13 @@
 // 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.
 
-#import("dart:uri");
+import 'dart:uri';
 
-#import("../../../lib/compiler/implementation/js_backend/js_backend.dart");
-#import("../../../lib/compiler/implementation/ssa/ssa.dart");
-#import("../../../lib/compiler/implementation/scanner/scannerlib.dart");
+import '../../../lib/compiler/implementation/js_backend/js_backend.dart';
+import '../../../lib/compiler/implementation/ssa/ssa.dart';
 
-#import('compiler_helper.dart');
-#import('parser_helper.dart');
+import 'compiler_helper.dart';
+import 'parser_helper.dart';
 
 void compileAndFind(String code,
                     String className,