Backed out changeset d67c6dcba478 (bug 430745) on request from jaws. r=backout

MozReview-Commit-ID: DGzLTDimdZZ

toolkit/modules/SelectParentHelper.jsm

@@ -8,9 +8,6 @@ this.EXPORTED_SYMBOLS = [
   "SelectParentHelper"
 ];
 
-const {utils: Cu} = Components;
-const { AppConstants } = Cu.import("resource://gre/modules/AppConstants.jsm");
-
 // Maximum number of rows to display in the select dropdown.
 const MAX_ROWS = 20;
 
@@ -60,7 +57,7 @@ this.SelectParentHelper = {
                                      constraintRect.top + win.mozInnerScreenY,
                                      constraintRect.width, constraintRect.height);
     menupopup.setConstraintRect(constraintRect);
-    menupopup.openPopupAtScreenRect(AppConstants.platform == "macosx" ? "selection" : "after_start", rect.left, rect.top, rect.width, rect.height, false, false);
+    menupopup.openPopupAtScreenRect("after_start", rect.left, rect.top, rect.width, rect.height, false, false);
   },
 
   hide: function(menulist, browser) {