Use PrefChangeRegistrar everywhere

chrome/browser/gtk/gtk_theme_provider.h

 // Copyright (c) 2010 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.
 
 #ifndef CHROME_BROWSER_GTK_GTK_THEME_PROVIDER_H_
 #define CHROME_BROWSER_GTK_GTK_THEME_PROVIDER_H_
 #pragma once
 
 #include <map>
 #include <vector>
 
 #include "app/gtk_integers.h"
 #include "app/gtk_signal.h"
 #include "base/scoped_ptr.h"
+#include "chrome/browser/prefs/pref_change_registrar.h"
 #include "chrome/browser/gtk/owned_widget_gtk.h"
 #include "chrome/browser/themes/browser_theme_provider.h"
 #include "chrome/common/notification_observer.h"
 #include "gfx/color_utils.h"
 
 class CairoCachedSurface;
 class GtkSignalRegistrar;
 class Profile;
 
 typedef struct _GdkDisplay GdkDisplay;
@@ skipping 243 matching lines @@
   GtkIconSet* fullscreen_icon_set_;
 
   // Image cache of lazily created images, created when requested by
   // GetBitmapNamed().
   mutable ImageCache gtk_images_;
 
   // Cairo surfaces for each GdkDisplay.
   PerDisplaySurfaceMap per_display_surfaces_;
   PerDisplaySurfaceMap per_display_unthemed_surfaces_;
 
+  PrefChangeRegistrar registrar_;
+
   // This is a dummy widget that only exists so we have something to pass to
   // gtk_widget_render_icon().
   static GtkWidget* icon_widget_;
 
   // The default folder icon and default bookmark icon for the GTK theme.
   // These are static because the system can only have one theme at a time.
   // They are cached when they are requested the first time, and cleared when
   // the system theme changes.
   static GdkPixbuf* default_folder_icon_;
   static GdkPixbuf* default_bookmark_icon_;
 };
 
 #endif  // CHROME_BROWSER_GTK_GTK_THEME_PROVIDER_H_