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

chrome/browser/extensions/blacklist_state_fetcher.cc

 // Copyright 2013 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/blacklist_state_fetcher.h"
 
 #include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/safe_browsing/protocol_manager_helper.h"
@@ skipping 28 matching lines @@
           callback) {
     DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
     scoped_refptr<net::URLRequestContextGetter> context_getter =
         new BlacklistRequestContextGetter(parent_context_getter.get());
     BrowserThread::PostTask(BrowserThread::UI,
                             FROM_HERE,
                             base::Bind(callback, context_getter));
   }
 
-  virtual net::URLRequestContext* GetURLRequestContext() OVERRIDE {
+  virtual net::URLRequestContext* GetURLRequestContext() override {
     DCHECK_CURRENTLY_ON(BrowserThread::IO);
     return url_request_context_.get();
   }
 
   virtual scoped_refptr<base::SingleThreadTaskRunner> GetNetworkTaskRunner()
-      const OVERRIDE {
+      const override {
     return network_task_runner_;
   }
 
  protected:
   virtual ~BlacklistRequestContextGetter() {
     url_request_context_->AssertNoURLRequests();
   }
 
  private:
   scoped_ptr<net::URLRequestContext> url_request_context_;
@@ skipping 154 matching lines @@
        callback_it != range.second;
        ++callback_it) {
     callback_it->second.Run(state);
   }
 
   callbacks_.erase(range.first, range.second);
 }
 
 }  // namespace extensions