Remove the line number and file information from *all* folded frames.

lib/src/trace.dart

Index: lib/src/trace.dart
diff --git a/lib/src/trace.dart b/lib/src/trace.dart
index e0cb21be8f79c866d7553865f04771f0bc10f6b8..954cf453e9020a87073d513bf134010286d50a7e 100644
--- a/lib/src/trace.dart
+++ b/lib/src/trace.dart
@@ -252,7 +252,7 @@ class Trace implements StackTrace {
 
     if (terse) {
       newFrames = newFrames.map((frame) {
-        if (!frame.isCore) return frame;
+        if (!predicate(frame)) return frame;
         var library = frame.library.replaceAll(_terseRegExp, '');
         return new Frame(Uri.parse(library), null, null, frame.member);
       }).toList();