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..8599245498168f2b8b2ccd9270a7cd1f8ca6ef32 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.
@@ -186,7 +188,8 @@ class Frame {
       // as "Anonymous function".
       return parseLocation(match[2],
           match[1].replaceAll("<anonymous>", "<fn>")
-                  .replaceAll("Anonymous function", "<fn>"));
+                  .replaceAll("Anonymous function", "<fn>")
+                  .replaceAll("(anonymous function)", "<fn>"));
     } else {
       // The second form looks like " at LOCATION", and is used for anonymous
       // functions.
@@ -249,8 +252,11 @@ 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('')
+        : 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 == '') {