Standardize usage of virtual/override/final in content/

content/shell/tools/plugin/Tests/NullNPPGetValuePointer.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) 2010 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 22 matching lines @@
 
 using namespace std;
 
 // Passing null for our NPP_GetValue function pointer should not crash.
 
 class NullNPPGetValuePointer : public PluginTest {
 public:
     NullNPPGetValuePointer(NPP, const string& identifier);
 
 private:
-    virtual NPError NPP_Destroy(NPSavedData**) override;
-    virtual NPError NPP_GetValue(NPPVariable, void* value) override;
+ NPError NPP_Destroy(NPSavedData**) override;
+ NPError NPP_GetValue(NPPVariable, void* value) override;
 
     NPP_GetValueProcPtr m_originalNPPGetValuePointer;
 };
 
 static PluginTest::Register<NullNPPGetValuePointer> registrar("null-npp-getvalue-pointer");
 
 NullNPPGetValuePointer::NullNPPGetValuePointer(NPP npp, const string& identifier)
     : PluginTest(npp, identifier)
     , m_originalNPPGetValuePointer(pluginFunctions->getvalue)
 {
@@ skipping 10 matching lines @@
     // up future uses of the plugin module.
     pluginFunctions->getvalue = m_originalNPPGetValuePointer;
     return NPERR_NO_ERROR;
 }
 
 NPError NullNPPGetValuePointer::NPP_GetValue(NPPVariable, void*)
 {
     pluginLog(m_npp, "NPP_GetValue was called but should not have been. Maybe WebKit copied the NPPluginFuncs struct, which would invalidate this test.");
     return NPERR_GENERIC_ERROR;
 }