replace OVERRIDE and FINAL with override and final in athena/

athena/content/app_registry_impl.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 "athena/content/public/app_registry.h"
 
 #include "athena/content/app_activity_registry.h"
 #include "base/logging.h"
 
 namespace athena {
 
 class AppRegistryImpl : public AppRegistry {
  public:
   AppRegistryImpl();
   virtual ~AppRegistryImpl();
 
   // AppRegistry:
   virtual AppActivityRegistry* GetAppActivityRegistry(
       const std::string& app_id,
-      content::BrowserContext* browser_context) OVERRIDE;
-  virtual int NumberOfApplications() const OVERRIDE { return app_list_.size(); }
+      content::BrowserContext* browser_context) override;
+  virtual int NumberOfApplications() const override { return app_list_.size(); }
 
  private:
   virtual void RemoveAppActivityRegistry(
-      AppActivityRegistry* registry) OVERRIDE;
+      AppActivityRegistry* registry) override;
 
   std::vector<AppActivityRegistry*> app_list_;
 
   DISALLOW_COPY_AND_ASSIGN(AppRegistryImpl);
 };
 
 namespace {
 
 AppRegistryImpl* instance = NULL;
 
@@ skipping 49 matching lines @@
   delete instance;
 }
 
 AppRegistry::AppRegistry() {}
 
 AppRegistry::~AppRegistry() {
   instance = NULL;
 }
 
 }  // namespace athena