Revert revision 36603

pkg/source_maps/lib/span.dart

Index: pkg/source_maps/lib/span.dart
===================================================================
--- pkg/source_maps/lib/span.dart	(revision 36614)
+++ pkg/source_maps/lib/span.dart	(working copy)
@@ -7,8 +7,6 @@
 
 import 'dart:math' show min, max;
 
-import 'package:path/path.dart' as p;
-
 import 'src/utils.dart';
 
 /// A simple class that describe a segment of source text.
@@ -254,8 +252,8 @@
     var line = getLine(start);
     var column = getColumn(line, start);
 
-    var source = url == null ? '' : ' of ${p.prettyUri(url)}';
-    var msg = 'line ${line + 1}, column ${column + 1}$source: $message';
+    var src = url == null ? '' : url;
+    var msg = '$src:${line + 1}:${column + 1}: $message';
 
     if (_decodedChars == null) {
       // We don't have any text to include, so exit.