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

chrome/browser/extensions/api/downloads/downloads_api.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/extensions/api/downloads/downloads_api.h"
 
 #include <set>
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 284 matching lines @@
 
 class DownloadFileIconExtractorImpl : public DownloadFileIconExtractor {
  public:
   DownloadFileIconExtractorImpl() {}
 
   virtual ~DownloadFileIconExtractorImpl() {}
 
   virtual bool ExtractIconURLForPath(const base::FilePath& path,
                                      float scale,
                                      IconLoader::IconSize icon_size,
-                                     IconURLCallback callback) OVERRIDE;
+                                     IconURLCallback callback) override;
  private:
   void OnIconLoadComplete(
       float scale, const IconURLCallback& callback, gfx::Image* icon);
 
   base::CancelableTaskTracker cancelable_task_tracker_;
 };
 
 bool DownloadFileIconExtractorImpl::ExtractIconURLForPath(
     const base::FilePath& path,
     float scale,
@@ skipping 570 matching lines @@
 
   explicit ManagerDestructionObserver(DownloadManager* manager)
       : manager_(manager) {
     manager_->AddObserver(this);
   }
 
   virtual ~ManagerDestructionObserver() {
     manager_->RemoveObserver(this);
   }
 
-  virtual void ManagerGoingDown(DownloadManager* manager) OVERRIDE {
+  virtual void ManagerGoingDown(DownloadManager* manager) override {
     manager_file_existence_last_checked_->erase(manager);
     if (manager_file_existence_last_checked_->size() == 0) {
       delete manager_file_existence_last_checked_;
       manager_file_existence_last_checked_ = NULL;
     }
   }
 
   void CheckForHistoryFilesRemovalInternal() {
     base::Time now(base::Time::Now());
     int delta = now.ToTimeT() - last_checked_.ToTimeT();
@@ skipping 1024 matching lines @@
     const Extension* extension,
     UnloadedExtensionInfo::Reason reason) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   std::set<const Extension*>::iterator iter =
       shelf_disabling_extensions_.find(extension);
   if (iter != shelf_disabling_extensions_.end())
     shelf_disabling_extensions_.erase(iter);
 }
 
 }  // namespace extensions