Calls Layout() explicitly when an icon is loaded.

ui/message_center/notifier_settings.cc

 // Copyright (c) 2013 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 "ui/message_center/notifier_settings.h"
 
 #include "grit/ui_strings.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/size.h"
@@ skipping 45 matching lines @@
       delete icon_view_;
       icon_view_ = NULL;
     } else {
       if (!icon_view_) {
         icon_view_ = new views::ImageView();
         AddChildViewAt(icon_view_, 1);
       }
       icon_view_->SetImage(icon);
       icon_view_->SetImageSize(gfx::Size(kSettingsIconSize, kSettingsIconSize));
     }
+    Layout();
     SchedulePaint();
   }
 
   void SetChecked(bool checked) {
     checkbox_->SetChecked(checked);
     notifier_.enabled = checked;
   }
 
   bool checked() const {
     return checkbox_->checked();
@@ skipping 107 matching lines @@
                                          const ui::Event& event) {
   std::set<NotifierButton*>::iterator iter = buttons_.find(
       static_cast<NotifierButton*>(sender));
   DCHECK(iter != buttons_.end());
 
   (*iter)->SetChecked(!(*iter)->checked());
   delegate_->SetNotifierEnabled((*iter)->id(), (*iter)->checked());
 }
 
 }  // namespace message_center