Big merge from experimental to bleeding edge.

utils/tests/string_encoding/benchmark_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.
 
 /**
  * The results of a single block of tests (count times run, overall time).
  */
 class BlockSample {
   BlockSample(this.count, this.durationNanos);
   int count;
@@ skipping 86 matching lines @@
   int resultsCount() => BlockSample._totalCount(results);
 
   int resultsNanos() => BlockSample._totalTime(results);
 
   int resultsBestNanos() {
     BlockSample best = bestBlock(results);
     return best.durationNanos ~/ best.count;
   }
 
   int resultsMeanNanos() =>
-      (BlockSample._totalTime(results) /
-      BlockSample._totalCount(results)).toInt();
+      BlockSample._totalTime(results) ~/ BlockSample._totalCount(results);
 
   int resultsWorstNanos() {
     BlockSample worst = worstBlock(results);
     return worst.durationNanos / worst.count;
   }
 
   int warmupBestNanos() {
     BlockSample best = bestBlock(warmup);
     return best.durationNanos / best.count;
   }
@@ skipping 73 matching lines @@
   String id;
   String desc;
   List<BlockSample> warmup;
   List<BlockSample> results;
 }
 
 class Runner {
   static bool runTest(String testId) {
     Options opts = new Options();
     return opts.arguments.length == 0 ||
-        opts.arguments.some(_(String id) => id == testId);
+        opts.arguments.any((String id) => id == testId);
   }
 }
 
 /**
  * Run traditional blocking-style tests. Tests may be run a specified number
  * of times, or they can be run based on performance to estimate a particular
  * duration.
  */
 class BenchmarkRunner extends Runner {
   static void runCount(String id, String desc, CountTestConfig config,
@@ skipping 237 matching lines @@
         _(TestReport r) => r.printReport() : reportHandler;
   }
 
   Function _reportHandler;
   Function get reportHandler => _reportHandler;
   int _warmup;
   int _targetTimeMs;
   int _minSampleTimeMs;
   int _blocksize;
 }