GTK: A bunch more removal of deprecated raw GtkWidget access, focusing on GtkWidget->window

chrome/browser/ui/gtk/browser_actions_toolbar_gtk.cc

Index: chrome/browser/ui/gtk/browser_actions_toolbar_gtk.cc
diff --git a/chrome/browser/ui/gtk/browser_actions_toolbar_gtk.cc b/chrome/browser/ui/gtk/browser_actions_toolbar_gtk.cc
index 326112f815c7ae801ba668e81760b7c8faf6f154..f80136b5a2afe528e77beb7bb98f69bbf66901b3 100644
--- a/chrome/browser/ui/gtk/browser_actions_toolbar_gtk.cc
+++ b/chrome/browser/ui/gtk/browser_actions_toolbar_gtk.cc
@@ -308,8 +308,9 @@ class BrowserActionButton : public content::NotificationObserver,
       return FALSE;
 
     gfx::CanvasSkiaPaint canvas(event, false);
-    gfx::Rect bounding_rect(widget->allocation);
-    action->PaintBadge(&canvas, bounding_rect, tab_id);
+    GtkAllocation allocation;
+    gtk_widget_get_allocation(widget, &allocation);
+    action->PaintBadge(&canvas, gfx::Rect(allocation), tab_id);
     return FALSE;
   }