Bug 609279 - Add getLabelAt in tests redifining nsAutoCompleteSimpleResult. r=ehsan a=tests

toolkit/content/tests/chrome/test_autocomplete2.xul

@@ -46,6 +46,7 @@ nsAutoCompleteSimpleResult.prototype = {
  getCommentAt: function() { return null; },
  getStyleAt: function() { return null; },
  getImageAt: function() { return null; },
+ getLabelAt: function() { return null; },
  removeValueAt: function() {}
 };
 

toolkit/content/tests/chrome/test_autocomplete3.xul

@@ -46,6 +46,7 @@ nsAutoCompleteSimpleResult.prototype = {
  getCommentAt: function() { return null; },
  getStyleAt: function() { return null; },
  getImageAt: function() { return null; },
+ getLabelAt: function() { return null; },
  removeValueAt: function() {}
 };
 

toolkit/content/tests/chrome/test_autocomplete4.xul

@@ -48,6 +48,7 @@ nsAutoCompleteSimpleResult.prototype = {
  getCommentAt: function() { return null; },
  getStyleAt: function() { return null; },
  getImageAt: function() { return null; },
+ getLabelAt: function() { return null; },
  removeValueAt: function() {}
 };