Fix virtual/override/final usage in Source/web/.

Source/web/tests/WebPluginContainerTest.cpp

 /*
  * Copyright (C) 2012 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 277 matching lines @@
 
 // A class to facilitate testing that events are correctly received by plugins.
 class EventTestPlugin : public FakeWebPlugin {
 public:
     EventTestPlugin(WebFrame* frame, const WebPluginParams& params)
         : FakeWebPlugin(frame, params)
         , m_lastEventType(WebInputEvent::Undefined)
     {
     }
 
-    virtual bool handleInputEvent(const WebInputEvent& event, WebCursorInfo&) override
+    bool handleInputEvent(const WebInputEvent& event, WebCursorInfo&) override
     {
         m_lastEventType = event.type;
         return true;
     }
     WebInputEvent::Type getLastInputEventType() {return m_lastEventType; }
 
 private:
     WebInputEvent::Type m_lastEventType;
 };
 
 class EventTestPluginWebFrameClient : public FrameTestHelpers::TestWebFrameClient {
-    virtual WebPlugin* createPlugin(WebLocalFrame* frame, const WebPluginParams& params) override
+    WebPlugin* createPlugin(WebLocalFrame* frame, const WebPluginParams& params) override
     {
         if (params.mimeType == WebString::fromUTF8("application/x-webkit-test-webplugin"))
             return new EventTestPlugin(frame, params);
         return WebFrameClient::createPlugin(frame, params);
     }
 };
 
 TEST_F(WebPluginContainerTest, GestureLongPressReachesPlugin)
 {
     URLTestHelpers::registerMockedURLFromBaseURL(
@@ skipping 54 matching lines @@
     WebRect rect = pluginContainerImpl->element().boundsInViewportSpace();
     EXPECT_TRUE(pluginContainerImpl->isRectTopmost(rect));
 
     // Cause the plugin's frame to be detached.
     webViewHelper.reset();
 
     EXPECT_FALSE(pluginContainerImpl->isRectTopmost(rect));
 }
 
 } // namespace blink