- Fix for issue 25950 (add registration of a thread exit callback)

runtime/vm/coverage.cc

Index: runtime/vm/coverage.cc
diff --git a/runtime/vm/coverage.cc b/runtime/vm/coverage.cc
index 2e85c3d25b10afa5ff2f1ac71c0a031fbcea9274..7a678a0ce9d5cb5dc54e0721587a00891b9d144a 100644
--- a/runtime/vm/coverage.cc
+++ b/runtime/vm/coverage.cc
@@ -253,9 +253,9 @@ void CodeCoverage::Write(Thread* thread) {
     return;
   }
 
-  Dart_FileOpenCallback file_open = Isolate::file_open_callback();
-  Dart_FileWriteCallback file_write = Isolate::file_write_callback();
-  Dart_FileCloseCallback file_close = Isolate::file_close_callback();
+  Dart_FileOpenCallback file_open = Dart::file_open_callback();
+  Dart_FileWriteCallback file_write = Dart::file_write_callback();
+  Dart_FileCloseCallback file_close = Dart::file_close_callback();
   if ((file_open == NULL) || (file_write == NULL) || (file_close == NULL)) {
     return;
   }