Add a scoped notifier for pref dictionaries / lists.

chrome/browser/views/options/general_page_view.cc

 // 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.
 
 #include "chrome/browser/views/options/general_page_view.h"
 
 #include "app/combobox_model.h"
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/callback.h"
@@ skipping 138 matching lines @@
   }
   // Complete change, so tell the view to just rebuild itself.
   if (observer_)
     observer_->OnModelChanged();
 }
 
 void CustomHomePagesTableModel::Add(int index, const GURL& url) {
   DCHECK(index >= 0 && index <= RowCount());
   entries_.insert(entries_.begin() + static_cast<size_t>(index), Entry());
   entries_[index].url = url;
-  LoadFavIcon(&(entries_[index]));
   if (observer_)
     observer_->OnItemsAdded(index, 1);
 }
 
 void CustomHomePagesTableModel::Remove(int index) {
   DCHECK(index >= 0 && index < RowCount());
   Entry* entry = &(entries_[index]);
   if (entry->fav_icon_handle) {
     // Pending load request, cancel it now so we don't deref a bogus pointer
     // when we get loaded notification.
@@ skipping 842 matching lines @@
     homepage_use_url_textfield_->SetEnabled(false);
     homepage_use_url_textfield_->SetReadOnly(true);
   }
 }
 
 void GeneralPageView::SetDefaultSearchProvider() {
   const int index = default_search_engine_combobox_->selected_item();
   default_search_engines_model_->model()->SetDefaultSearchProvider(
       default_search_engines_model_->GetTemplateURLAt(index));
 }