Fix line number reporting for unresolved breakpoints.

runtime/observatory/lib/src/elements/script_inset.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library script_inset_element;
 
 import 'dart:async';
 import 'dart:html';
 import 'observatory_element.dart';
 import 'service_ref.dart';
@@ skipping 411 matching lines @@
     switch (event.kind) {
       case ServiceEvent.kBreakpointAdded:
       case ServiceEvent.kBreakpointResolved:
       case ServiceEvent.kBreakpointRemoved:
         var loc = event.breakpoint.location;
         if (loc.script == script) {
           int line;
           if (loc.tokenPos != null) {
             line = script.tokenToLine(loc.tokenPos);
           } else {
-            line = script.tokenToLine(loc.line);
+            line = loc.line;
           }
           if ((line >= _startLine) && (line <= _endLine)) {
             _updateTask.queue();
           }
         }
         break;
       default:
         // Ignore.
         break;
     }
@@ skipping 596 matching lines @@
 @CustomTag('source-inset')
 class SourceInsetElement extends PolymerElement {
   SourceInsetElement.created() : super.created();
 
   @published SourceLocation location;
   @published String height = null;
   @published int currentPos;
   @published bool inDebuggerContext = false;
   @published ObservableList variables;
 }