GTK: More GSEALing.

chrome/browser/ui/gtk/custom_button.cc

 // Copyright (c) 2011 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 "chrome/browser/ui/gtk/custom_button.h"
 
 #include "base/basictypes.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "chrome/browser/ui/gtk/gtk_chrome_button.h"
@@ skipping 73 matching lines @@
   bool animating_hover = hover_state > 0.0 &&
       paint_state == GTK_STATE_NORMAL;
   gfx::CairoCachedSurface* pixbuf = PixbufForState(paint_state);
   gfx::CairoCachedSurface* hover_pixbuf = PixbufForState(GTK_STATE_PRELIGHT);
 
   if (!pixbuf || !pixbuf->valid())
     return FALSE;
   if (animating_hover && (!hover_pixbuf || !hover_pixbuf->valid()))
     return FALSE;
 
-  cairo_t* cairo_context = gdk_cairo_create(GDK_DRAWABLE(widget->window));
+  cairo_t* cairo_context = gdk_cairo_create(GDK_DRAWABLE(
+      gtk_widget_get_window(widget)));
   GtkAllocation allocation;
   gtk_widget_get_allocation(widget, &allocation);
   cairo_translate(cairo_context, allocation.x, allocation.y);
 
   if (flipped_) {
     // Horizontally flip the image for non-LTR/RTL reasons.
     cairo_translate(cairo_context, allocation.width, 0.0f);
     cairo_scale(cairo_context, -1.0f, 1.0f);
   }
 
@@ skipping 263 matching lines @@
   }
 
   gtk_chrome_button_set_use_gtk_rendering(
       GTK_CHROME_BUTTON(widget()), UseGtkTheme());
 }
 
 bool CustomDrawButton::UseGtkTheme() {
   return !forcing_chrome_theme_ && theme_service_ &&
       theme_service_->UsingNativeTheme();
 }