GTK: More changes from raw widget->allocation to using the accessor.

chrome/browser/ui/gtk/avatar_menu_button_gtk.cc

Index: chrome/browser/ui/gtk/avatar_menu_button_gtk.cc
diff --git a/chrome/browser/ui/gtk/avatar_menu_button_gtk.cc b/chrome/browser/ui/gtk/avatar_menu_button_gtk.cc
index 4de40701708bb545c44802336e6ecde50f1f455d..411f721afde9d7ed30807b71061684389adde246 100644
--- a/chrome/browser/ui/gtk/avatar_menu_button_gtk.cc
+++ b/chrome/browser/ui/gtk/avatar_menu_button_gtk.cc
@@ -67,7 +67,9 @@ void AvatarMenuButtonGtk::UpdateButtonIcon() {
   if (!icon_.get())
     return;
 
-  old_height_ = widget()->allocation.height;
+  GtkAllocation allocation;
+  gtk_widget_get_allocation(widget(), &allocation);
+  old_height_ = allocation.height;
   gfx::Image icon = profiles::GetAvatarIconForTitleBar(*icon_, is_gaia_picture_,
       profiles::kAvatarIconWidth, old_height_);
   gtk_image_set_from_pixbuf(GTK_IMAGE(image_), icon.ToGdkPixbuf());