replace OVERRIDE and FINAL with override and final in chrome/browser/extensions/

chrome/browser/extensions/extension_storage_monitor.cc

 // Copyright 2014 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/extensions/extension_storage_monitor.h"
 
 #include <map>
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
@@ skipping 163 matching lines @@
     StorageState() : next_threshold(0) {}
   };
   typedef std::map<GURL, StorageState> OriginStorageStateMap;
 
   virtual ~StorageEventObserver() {
     DCHECK(origin_state_map_.empty());
     StopObserving();
   }
 
   // storage::StorageObserver implementation.
-  virtual void OnStorageEvent(const Event& event) OVERRIDE {
+  virtual void OnStorageEvent(const Event& event) override {
     OriginStorageStateMap::iterator state =
         origin_state_map_.find(event.filter.origin);
     if (state == origin_state_map_.end())
       return;
 
     if (event.usage >= state->second.next_threshold) {
       while (event.usage >= state->second.next_threshold)
         state->second.next_threshold *= 2;
 
       BrowserThread::PostTask(
@@ skipping 414 matching lines @@
 void ExtensionStorageMonitor::SetStorageNotificationEnabled(
     const std::string& extension_id,
     bool enable_notifications) {
   extension_prefs_->UpdateExtensionPref(
       extension_id,
       kPrefDisableStorageNotifications,
       enable_notifications ? NULL : new base::FundamentalValue(true));
 }
 
 }  // namespace extensions