Default constructor for dart:io Path now handles native Windows paths. Path() now does the same as…

samples/tests/dartc/test_config.dart

Index: samples/tests/dartc/test_config.dart
diff --git a/samples/tests/dartc/test_config.dart b/samples/tests/dartc/test_config.dart
index caec03183a77b9ee18a021a76aa5ad5ab2b70cf2..a7bb1f4ca601beafeca399495f6fffc708338fc5 100644
--- a/samples/tests/dartc/test_config.dart
+++ b/samples/tests/dartc/test_config.dart
@@ -43,7 +43,7 @@ class SamplesDartcTestSuite extends DartcCompilationTestSuite {
     // Using readOptionsFromFile here causes the file to be read twice,
     // because readOptionsFromFile is called again in the superclass.
     // Avoid this in new code.
-    return StandardTestSuite.readOptionsFromFile(new Path.fromNative(filename))
+    return StandardTestSuite.readOptionsFromFile(new Path(filename))
         ["containsLeadingHash"];
   }