base::Bind: Remove ScopedRunnableMethodFactory.

chrome/browser/ui/panels/panel_browser_window_gtk.h

Index: chrome/browser/ui/panels/panel_browser_window_gtk.h
diff --git a/chrome/browser/ui/panels/panel_browser_window_gtk.h b/chrome/browser/ui/panels/panel_browser_window_gtk.h
index 6a1292d8ddf27be6e7437a9d073a62ca79bf205e..d2fd121cc67f9500e5b658ab7010ff60c1b0a387 100644
--- a/chrome/browser/ui/panels/panel_browser_window_gtk.h
+++ b/chrome/browser/ui/panels/panel_browser_window_gtk.h
@@ -157,10 +157,6 @@ class PanelBrowserWindowGtk : public BrowserWindowGtk,
   // reference, so we can't use an OwnedWidgetGtk here.
   GtkWidget* drag_widget_;
 
-  // Used to destroy the drag widget after a return to the message loop.
-  ScopedRunnableMethodFactory<PanelBrowserWindowGtk>
-      destroy_drag_widget_factory_;
-
   // Due to a bug in GTK+, we need to force the end of a drag when we get a
   // mouse release event on the the dragged widget, otherwise, we don't know
   // when the drag has ended when the user presses space or enter.  We queue