tools: removed unused members, tiny cleanup

tools/testing/dart/test_runner.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.
 
 /**
  * Classes and methods for executing tests.
  *
  * This module includes:
  * - Managing parallel execution of tests, including timeout checks.
  * - Evaluating the output of each test as pass/fail/crash/timeout.
@@ skipping 376 matching lines @@
 
   CleanDirectoryCopyCommand._(this._sourceDirectory, this._destinationDirectory)
     : super._('dir_copy');
 
   String get reproductionCommand =>
       "Copying '$_sourceDirectory' to '$_destinationDirectory'.";
 
   Future<ScriptCommandOutputImpl> run() {
     var watch = new Stopwatch()..start();
 
-    var source = new io.Directory(_sourceDirectory);
     var destination = new io.Directory(_destinationDirectory);
 
     return destination.exists().then((bool exists) {
       var cleanDirectoryFuture;
       if (exists) {
         cleanDirectoryFuture = TestUtils.deleteDirectory(_destinationDirectory);
       } else {
         cleanDirectoryFuture = new Future.value(null);
       }
       return cleanDirectoryFuture.then((_) {
@@ skipping 1038 matching lines @@
       return Expectation.STATIC_WARNING;
     }
 
     assert (errors.length == 0 && warnings.length == 0);
     assert (!testCase.hasCompileError &&
             !testCase.hasStaticWarning);
     return Expectation.PASS;
   }
 
   void parseAnalyzerOutput(List<String> outErrors, List<String> outWarnings) {
-    AnalysisCommand analysisCommand = command;
-
     // Parse a line delimited by the | character using \ as an escape charager
     // like:  FOO|BAR|FOO\|BAR|FOO\\BAZ as 4 fields: FOO BAR FOO|BAR FOO\BAZ
     List<String> splitMachineError(String line) {
       StringBuffer field = new StringBuffer();
       List<String> result = [];
       bool escaped = false;
       for (var i = 0 ; i < line.length; i++) {
         var c = line[i];
         if (!escaped && c == '\\') {
           escaped = true;
@@ skipping 1295 matching lines @@
         completeTestCase(testCase);
       }
     }
   }
 }
 
 
 class ProcessQueue {
   Map _globalConfiguration;
 
-  bool _listTests;
   Function _allDone;
   final dgraph.Graph _graph = new dgraph.Graph();
   List<EventListener> _eventListener;
 
   ProcessQueue(this._globalConfiguration,
                maxProcesses,
                maxBrowserProcesses,
                DateTime startTime,
                testSuites,
                this._eventListener,
                this._allDone,
                [bool verbose = false,
-                this._listTests = false,
                 String recordingOutputFile,
                 String recordedInputFile]) {
     void setupForListing(TestCaseEnqueuer testCaseEnqueuer) {
       _graph.events.where((event) => event is dgraph.GraphSealedEvent)
         .listen((dgraph.GraphSealedEvent event) {
           var testCases = new List.from(testCaseEnqueuer.remainingTestCases);
           testCases.sort((a, b) => a.displayName.compareTo(b.displayName));
 
           print("\nGenerating all matching test cases ....\n");
 
@@ skipping 155 matching lines @@
     }
   }
 
   void eventAllTestsDone() {
     for (var listener in _eventListener) {
       listener.allDone();
     }
     _allDone();
   }
 }