Standardize usage of virtual/override/final in content/

content/shell/tools/plugin/Tests/NPDeallocateCalledBeforeNPShutdown.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) 2011 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 26 matching lines @@
 public:
     NPDeallocateCalledBeforeNPShutdown(NPP npp, const string& identifier)
         : PluginTest(npp, identifier)
     {
     }
 
 private:
     // This is the test object.
     class TestObject : public Object<TestObject> {
     public:
-        virtual ~TestObject()
-        {
+     ~TestObject() override {
             if (wasShutdownCalled)
                 indicateTestFailure();
         }
     };
 
     // This is the scriptable object. It has a single "testObject" property.
     class ScriptableObject : public Object<ScriptableObject> {
     public:
         bool hasProperty(NPIdentifier propertyName)
         {
             return propertyName == pluginTest()->NPN_GetStringIdentifier("testObject");
         }
 
         bool getProperty(NPIdentifier propertyName, NPVariant* result)
         {
             if (propertyName != pluginTest()->NPN_GetStringIdentifier("testObject"))
                 return false;
 
             NPObject* testObject = TestObject::create(pluginTest());
             OBJECT_TO_NPVARIANT(testObject, *result);
             return true;
         }
     };
 
-    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 {
         registerNPShutdownFunction(shutdown);
 
         return NPERR_NO_ERROR;
     }
 
-    virtual NPError NPP_GetValue(NPPVariable variable, void *value) override
-    {
+    NPError NPP_GetValue(NPPVariable variable, void* value) override {
         if (variable != NPPVpluginScriptableNPObject)
             return NPERR_GENERIC_ERROR;
 
         *(NPObject**)value = ScriptableObject::create(this);
 
         return NPERR_NO_ERROR;
     }
 
     static void shutdown()
     {
         wasShutdownCalled = true;
     }
 
 };
 
 static PluginTest::Register<NPDeallocateCalledBeforeNPShutdown> npRuntimeObjectFromDestroyedPlugin("np-deallocate-called-before-np-shutdown");