Allow the user to drag an extension to the overflow menu, even when its empty

chrome/browser/ui/views/toolbar/wrench_menu.cc

Index: chrome/browser/ui/views/toolbar/wrench_menu.cc
diff --git a/chrome/browser/ui/views/toolbar/wrench_menu.cc b/chrome/browser/ui/views/toolbar/wrench_menu.cc
index 7c10f2940f88f8b16c6a588c122dc9d1e2978b47..498aaa0bd24057a5a0ccaa6cd36c2bb6285ce721 100644
--- a/chrome/browser/ui/views/toolbar/wrench_menu.cc
+++ b/chrome/browser/ui/views/toolbar/wrench_menu.cc
@@ -1137,7 +1137,7 @@ void WrenchMenu::PopulateMenu(MenuItemView* parent,
       case IDC_EXTENSIONS_OVERFLOW_MENU: {
         scoped_ptr<ExtensionToolbarMenuView> extension_toolbar(
             new ExtensionToolbarMenuView(browser_, this));
-        if (extension_toolbar->GetPreferredSize().height() > 0)
+        if (extension_toolbar->ShouldShow())
           item->AddChildView(extension_toolbar.release());
         else
           item->SetVisible(false);