Fix for pointer settings when settings page is refreshed.

chrome/browser/ui/webui/options2/options_ui2.cc

 // Copyright (c) 2012 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/webui/options2/options_ui2.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 355 matching lines @@
   if (!initialized_handlers_) {
     for (size_t i = 0; i < handlers_.size(); ++i)
       handlers_[i]->InitializeHandler();
     initialized_handlers_ = true;
 
 #if defined(OS_CHROMEOS)
     pointer_device_observer_->Init();
 #endif
   }
 
+#if defined(OS_CHROMEOS)
+  pointer_device_observer_->CheckDevices();
+#endif
+
   // Always initialize the page as when handlers are left over we still need to
   // do various things like show/hide sections and send data to the Javascript.
   for (size_t i = 0; i < handlers_.size(); ++i)
     handlers_[i]->InitializePage();
 }
 
 void OptionsUI::AddOptionsPageUIHandler(DictionaryValue* localized_strings,
                                         OptionsPageUIHandler* handler_raw) {
   scoped_ptr<OptionsPageUIHandler> handler(handler_raw);
   DCHECK(handler.get());
   // Add only if handler's service is enabled.
   if (handler->IsEnabled()) {
     // Add handler to the list and also pass the ownership.
     web_ui()->AddMessageHandler(handler.release());
     handler_raw->GetLocalizedValues(localized_strings);
     handlers_.push_back(handler_raw);
   }
 }
 
 }  // namespace options2