Have ResourceBundle own GdkPixbufs.

base/gfx/gtk_util.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/gfx/gtk_util.h"
 
 #include <gdk/gdk.h>
 #include <gtk/gtk.h>
 
 #include "base/gfx/rect.h"
@@ skipping 59 matching lines @@
 
   // This pixbuf takes ownership of our malloc()ed data and will
   // free it for us when it is destroyed.
   GdkPixbuf* pixbuf = gdk_pixbuf_new_from_data(
       data,
       GDK_COLORSPACE_RGB,  // The only colorspace gtk supports.
       true,  // There is an alpha channel.
       8,
       width, height, stride, &FreePixels, data);
 
-  // Assume ownership of pixbuf.
-  g_object_ref_sink(pixbuf);
   bitmap->unlockPixels();
   return pixbuf;
 }
 
 GtkWidget* CreateGtkBorderBin(GtkWidget* child, const GdkColor* color,
                               int top, int bottom, int left, int right) {
   // Use a GtkEventBox to get the background painted.  However, we can't just
   // use a container border, since it won't paint there.  Use an alignment
   // inside to get the sizes exactly of how we want the border painted.
   GtkWidget* ebox = gtk_event_box_new();
   gtk_widget_modify_bg(ebox, GTK_STATE_NORMAL, color);
   GtkWidget* alignment = gtk_alignment_new(0.0, 0.0, 1.0, 1.0);
   gtk_alignment_set_padding(GTK_ALIGNMENT(alignment), top, bottom, left, right);
   gtk_container_add(GTK_CONTAINER(alignment), child);
   gtk_container_add(GTK_CONTAINER(ebox), alignment);
   return ebox;
 }
 
 void RemoveAllChildren(GtkWidget* container) {
   gtk_container_foreach(GTK_CONTAINER(container), RemoveWidget, container);
 }
 
 }  // namespace gfx