Make ~/, round, ceil, floor, truncate return ints. Remove toInt.

runtime/vm/snapshot_test.dart

Index: runtime/vm/snapshot_test.dart
diff --git a/runtime/vm/snapshot_test.dart b/runtime/vm/snapshot_test.dart
index 97a933ba652b911be181322f60f3e5e0f6165a39..86d3d7b8288fcde5df8cdcd42c36163d6f850705 100644
--- a/runtime/vm/snapshot_test.dart
+++ b/runtime/vm/snapshot_test.dart
@@ -799,7 +799,7 @@ class ObjectString extends BenchmarkBase {
     var result = "";
     for (var i = 0; i < characters; i++) {
       result += Strings.
-          createFromCodePoints([(25 * Math.random()).toInt() + 97]);
+          createFromCodePoints([(25 * Math.random()).truncate() + 97]);

[Lasse Reichstein Nielsen, 2013/01/04 10:29:42]

This is idiomatic code where "floor" would be more traditional.

     }
     result += result;
     result += result;