Standardize usage of virtual/override/final in content/

content/shell/tools/plugin/Tests/NPPNewFails.cpp

 // 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.
 
 /*
  * Copyright (C) 2012 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ skipping 23 matching lines @@
 using namespace std;
 
 class NPPNewFails : public PluginTest {
 public:
     NPPNewFails(NPP npp, const string& identifier)
         : PluginTest(npp, identifier)
     {
     }
 
 private:
- virtual NPError NPP_New(NPMIMEType pluginType,
-                         uint16_t mode,
-                         int16_t argc,
-                         char* argn[],
-                         char* argv[],
-                         NPSavedData* saved) override {
+ NPError NPP_New(NPMIMEType pluginType,
+                 uint16_t mode,
+                 int16_t argc,
+                 char* argn[],
+                 char* argv[],
+                 NPSavedData* saved) override {
         return NPERR_GENERIC_ERROR;
     }
 };
 
 static PluginTest::Register<NPPNewFails> nppNewFails("npp-new-fails");