Fix friendly frame parsing bugs.

lib/src/frame.dart

Index: lib/src/frame.dart
diff --git a/lib/src/frame.dart b/lib/src/frame.dart
index 8dde788a734919c831bcc0338bcb89c7e418ae85..08fe33e7113d4d7c9cb4ea338ae1523f9334a4a3 100644
--- a/lib/src/frame.dart
+++ b/lib/src/frame.dart
@@ -52,9 +52,11 @@ final _firefoxSafariFrame = new RegExp(
     r'$');
 
 // foo/bar.dart 10:11 Foo._bar
+// foo/bar.dart 10:11 (anonymous function).dart.fn
 // http://dartlang.org/foo/bar.dart Foo._bar
+// data:... 10:11 Foo._bar
 final _friendlyFrame = new RegExp(
-    r'^(\S+)(?: (\d+)(?::(\d+))?)?\s+([^\d]\S*)$');
+    r'^(\S+)(?: (\d+)(?::(\d+))?)?\s+([^\d].*)$');
 
 /// A regular expression that matches asynchronous member names generated by the
 /// VM.
@@ -249,8 +251,11 @@ class Frame {
       throw new FormatException(
           "Couldn't parse package:stack_trace stack trace line '$frame'.");
     }
-
-    var uri = Uri.parse(match[1]);
+    // Fake truncated data urls generated by the friendly stack trace format
+    // cause Uri.parse to throw an exception so we have to special case them.
+    var uri = match[1] == 'data:...'
+        ? new Uri.dataFromString('...')

[nweiz, 2017/03/07 21:27:28]

Maybe just pass this an empty string. I think that better represents "we don't
know the data this contains".

[Jacob, 2017/03/07 23:27:20]

Done.

+        : Uri.parse(match[1]);
     // If there's no scheme, this is a relative URI. We should interpret it as
     // relative to the current working directory.
     if (uri.scheme == '') {