GTK: More removal of raw GtkWidget->allocation access.

chrome/browser/ui/gtk/gtk_input_event_box.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/gtk_input_event_box.h"
 
 #include <gdk/gdk.h>
 #include <gtk/gtk.h>
 
 G_BEGIN_DECLS
@@ skipping 105 matching lines @@
   if (priv->event_window)
     gdk_window_hide(priv->event_window);
 
   GTK_WIDGET_CLASS(gtk_input_event_box_parent_class)->unmap(widget);
 }
 
 static void gtk_input_event_box_size_allocate(GtkWidget* widget,
                                               GtkAllocation* allocation) {
   g_return_if_fail(GTK_IS_INPUT_EVENT_BOX(widget));
 
-  widget->allocation = *allocation;
+  gtk_widget_set_allocation(widget, allocation);
 
   GtkInputEventBoxPrivate* priv = GTK_INPUT_EVENT_BOX_GET_PRIVATE(widget);
   if (priv->event_window) {
     gdk_window_move_resize(priv->event_window,
                            allocation->x,
                            allocation->y,
                            allocation->width,
                            allocation->height);
   }
 
@@ skipping 11 matching lines @@
 }
 
 GdkWindow* gtk_input_event_box_get_window(GtkInputEventBox* widget) {
   g_return_val_if_fail(GTK_IS_INPUT_EVENT_BOX(widget), NULL);
 
   GtkInputEventBoxPrivate* priv = GTK_INPUT_EVENT_BOX_GET_PRIVATE(widget);
   return priv->event_window;
 }
 
 G_END_DECLS