move performance measurement to benchmark/integration

pkg/analysis_server/benchmark/integration/driver.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.
 
 library server.driver;
 
 import 'dart:async';
 import 'dart:math' show max, sqrt;
 
 import 'package:analyzer/src/generated/engine.dart' as engine;
 import 'package:logging/logging.dart';
 
-import '../integration/integration_test_methods.dart';
-import '../integration/integration_tests.dart';
+import '../../test/integration/integration_test_methods.dart';
+import '../../test/integration/integration_tests.dart';
 import 'operation.dart';
 
 final SPACE = ' '.codeUnitAt(0);
 
 void _printColumn(StringBuffer sb, String text, int keyLen,
     {bool rightJustified: false}) {
   if (!rightJustified) {
     sb.write(text);
     sb.write(',');
   }
@@ skipping 283 matching lines @@
       int totalUnexpectedResultCount) {
     StringBuffer sb = new StringBuffer();
     _printColumn(sb, 'Totals', keyLen);
     _printColumn(sb, totalCount.toString(), 6, rightJustified: true);
     _printColumn(sb, totalErrorCount.toString(), 6, rightJustified: true);
     _printColumn(sb, totalUnexpectedResultCount.toString(), 6,
         rightJustified: true);
     print(sb.toString());
   }
 }