[gtk+] Drop some redundant cairo_save calls

[Matthias Clasen <matthiasc src gnome org>]

commit 12be4b04f81feb6ec3d69813478e0e61a2a90baa
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Sep 28 15:08:26 2015 -0400

    Drop some redundant cairo_save calls
    
    Almost all callers of _gtk_widget_draw already did their own
    cairo_save/restore, so drop the save/restore calls inside
    _gtk_widget_draw and instead fix the last caller, gtk_widget_draw,
    to do the same.

 gtk/gtkwidget.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 050bbfe..ab5f461 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -6990,8 +6990,6 @@ _gtk_widget_draw (GtkWidget *widget,
    * the window hierarchy.
    */
 
-  cairo_save (cr);
-
   push_group =
     widget->priv->alpha != 255 &&
     (!_gtk_widget_is_toplevel (widget) ||
@@ -7049,8 +7047,6 @@ _gtk_widget_draw (GtkWidget *widget,
       cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
       cairo_paint_with_alpha (cr, widget->priv->alpha / 255.0);
     }
-
-  cairo_restore (cr);
 }
 
 
@@ -7088,7 +7084,9 @@ gtk_widget_draw (GtkWidget *widget,
   g_return_if_fail (!widget->priv->alloc_needed);
   g_return_if_fail (cr != NULL);
 
+  cairo_save (cr);
   _gtk_widget_draw (widget, cr);
+  cairo_restore (cr);
 }
 
 static gboolean