Remove use of deprecated base::ListValue::Append(Value*) overload in extensions.

extensions/browser/event_router.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 "extensions/browser/event_router.h"
 
 #include <stddef.h>
 
 #include <tuple>
 #include <utility>
@@ skipping 396 matching lines @@
   DictionaryValue* filtered_events = update.Get();
   if (!filtered_events)
     filtered_events = update.Create();
 
   ListValue* filter_list = NULL;
   if (!filtered_events->GetList(event_name, &filter_list)) {
     filter_list = new ListValue;
     filtered_events->SetWithoutPathExpansion(event_name, filter_list);
   }
 
-  filter_list->Append(filter->DeepCopy());
+  filter_list->Append(filter->CreateDeepCopy());
 }
 
 void EventRouter::RemoveFilterFromEvent(const std::string& event_name,
                                         const std::string& extension_id,
                                         const DictionaryValue* filter) {
   ExtensionPrefs::ScopedDictionaryUpdate update(
       extension_prefs_, extension_id, kFilteredEvents);
   DictionaryValue* filtered_events = update.Get();
   ListValue* filter_list = NULL;
   if (!filtered_events ||
@@ skipping 465 matching lines @@
                                      const std::string& extension_id,
                                      const GURL& listener_url,
                                      content::BrowserContext* browser_context)
     : event_name(event_name),
       extension_id(extension_id),
       listener_url(listener_url),
       browser_context(browser_context) {
 }
 
 }  // namespace extensions