Update Timer API to take the callback as the last parameter.

utils/tests/string_encoding/benchmark_runner.dart

-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// 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.
 
 /**
  * The results of a single block of tests (count times run, overall time).
  */
 class BlockSample {
   BlockSample(this.count, this.durationNanos);
   int count;
   int durationNanos;
@@ skipping 402 matching lines @@
   static void _innerLoop(CPSTest test, int remainingCount,
       Function continuation) {
     if (remainingCount > 1) {
       test(() => _innerLoop(test, remainingCount - 1, continuation));
     } else {
       continuation();
     }
   }
 
   static void _addToEventQueue(Function action) {
-    new Timer(_(Timer t) => action(), 0);
+    new Timer(0, _(Timer t) => action());
   }
 }
 
 class CountTestConfig {
   CountTestConfig(int this._warmup, int this._reps,
       [int blocksize = -1, ReportHandler reportHandler = null]) {
         this._blocksize = blocksize;
         this._reportHandler = (null == reportHandler) ?
             _(TestReport r) => r.printReport() : reportHandler;
       }
@@ skipping 15 matching lines @@
         _(TestReport r) => r.printReport() : reportHandler;
   }
 
   Function _reportHandler;
   Function get reportHandler() => _reportHandler;
   int _warmup;
   int _targetTimeMs;
   int _minSampleTimeMs;
   int _blocksize;
 }