Change how File/Directory/Link .delete works.

runtime/bin/file.cc

Index: runtime/bin/file.cc
diff --git a/runtime/bin/file.cc b/runtime/bin/file.cc
index 5c54ed8579360eef0dc579d8ea9525e3c5aa0c1c..9abfa23137ebc18d86c7f8a084200acf1f8b4d10 100644
--- a/runtime/bin/file.cc
+++ b/runtime/bin/file.cc
@@ -488,6 +488,23 @@ void FUNCTION_NAME(File_Delete)(Dart_NativeArguments args) {
 }
 
 
+void FUNCTION_NAME(File_DeleteLink)(Dart_NativeArguments args) {
+  Dart_EnterScope();
+  const char* str =
+      DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
+  bool result = File::DeleteLink(str);
+  if (result) {
+    Dart_SetReturnValue(args, Dart_NewBoolean(result));
+  } else {
+    Dart_Handle err = DartUtils::NewDartOSError(
+        new OSError(-1, "Not a link", OSError::kSystem));

[Søren Gjesse, 2013/04/05 12:52:50]

Is this only failing when this is not a link? Could also be permission error I
guess.

[Anders Johnsen, 2013/04/08 06:50:49]

You are right. Do you know how we can set this from the File::* methods?

+    if (Dart_IsError(err)) Dart_PropagateError(err);
+    Dart_SetReturnValue(args, err);
+  }
+  Dart_ExitScope();
+}
+
+
 void FUNCTION_NAME(File_Directory)(Dart_NativeArguments args) {
   Dart_EnterScope();
   const char* str =