Do not force checked mode on VM.

tools/testing/dart/test_suite.dart

Index: tools/testing/dart/test_suite.dart
diff --git a/tools/testing/dart/test_suite.dart b/tools/testing/dart/test_suite.dart
index ea34f8836593b4291cacb1ed0965689404d74951..a466d8576a9a5af53f4c4a2710d2c63bccd6f672 100644
--- a/tools/testing/dart/test_suite.dart
+++ b/tools/testing/dart/test_suite.dart
@@ -456,8 +456,7 @@ class StandardTestSuite implements TestSuite {
       if (configuration['runtime'] == 'vm') {
         // TODO(antonm): support checked.

[Bill Hesse, 2012/08/14 09:21:47]

Is checked mode being correctly added by other code somewhere?  Should the TODO
be closed?

[Anton Muhin, 2012/08/14 11:47:04]

I am not sure, so I left it.  I'll investigate today.

On 2012/08/14 09:21:47, Bill Hesse wrote:

         var vmArguments = new List.from(vmOptions);
-        vmArguments.addAll(
-            ['--enable_checked_mode', '$tempDir/out.dart']);
+        vmArguments.addAll(['$tempDir/out.dart']);
         commands.add(new Command(
             TestUtils.vmFileName(configuration),
             vmArguments));