replace OVERRIDE and FINAL with override and final in extensions/

extensions/renderer/extension_helper.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 "extensions/renderer/extension_helper.h"
 
 #include "content/public/renderer/render_view.h"
 #include "content/public/renderer/render_view_visitor.h"
 #include "extensions/common/api/messaging/message.h"
 #include "extensions/common/constants.h"
@@ skipping 29 matching lines @@
                   int browser_window_id,
                   ViewType view_type)
       : extension_id_(extension_id),
         browser_window_id_(browser_window_id),
         view_type_(view_type) {
   }
 
   std::vector<content::RenderView*> views() { return views_; }
 
   // Returns false to terminate the iteration.
-  virtual bool Visit(content::RenderView* render_view) OVERRIDE {
+  virtual bool Visit(content::RenderView* render_view) override {
     ExtensionHelper* helper = ExtensionHelper::Get(render_view);
     if (!ViewTypeMatches(helper->view_type(), view_type_))
       return true;
 
     GURL url = render_view->GetWebView()->mainFrame()->document().url();
     if (!url.SchemeIs(kExtensionScheme))
       return true;
     const std::string& extension_id = url.host();
     if (extension_id != extension_id_)
       return true;
@@ skipping 195 matching lines @@
       render_view()->GetWebView()->mainFrame()->mainWorldScriptContext();
   ScriptContext* script_context =
       dispatcher_->script_context_set().GetByV8Context(v8_context);
   if (!script_context)
     return;
   script_context->module_system()->CallModuleMethod("app.window",
                                                     "onAppWindowClosed");
 }
 
 }  // namespace extensions