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

Source/web/tests/PrerenderingTest.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 76 matching lines @@
         return m_webPrerenders.empty();
     }
 
     void clear()
     {
         m_webPrerenders.clear();
     }
 
 private:
     // From WebPrerendererClient:
-    virtual void willAddPrerender(WebPrerender* prerender) override
+    void willAddPrerender(WebPrerender* prerender) override
     {
         prerender->setExtraData(m_extraData.leakPtr());
 
         ASSERT(!prerender->isNull());
         m_webPrerenders.push_back(*prerender);
     }
 
     OwnPtr<WebPrerender::ExtraData> m_extraData;
     std::list<WebPrerender> m_webPrerenders;
 };
 
 class TestPrerenderingSupport : public WebPrerenderingSupport {
 public:
     TestPrerenderingSupport()
     {
         initialize(this);
     }
 
-    virtual ~TestPrerenderingSupport()
+    ~TestPrerenderingSupport() override
     {
         shutdown();
     }
 
     void clear()
     {
         m_addedPrerenders.clear();
         m_canceledPrerenders.clear();
         m_abandonedPrerenders.clear();
     }
@@ skipping 21 matching lines @@
 private:
     class WebPrerenderEqual : public std::binary_function<WebPrerender, WebPrerender, bool> {
     public:
         bool operator()(const WebPrerender& first, const WebPrerender& second) const
         {
             return first.toPrerender() == second.toPrerender();
         }
     };
 
     // From WebPrerenderingSupport:
-    virtual void add(const WebPrerender& prerender) override
+    void add(const WebPrerender& prerender) override
     {
         m_addedPrerenders.push_back(prerender);
     }
 
-    virtual void cancel(const WebPrerender& prerender) override
+    void cancel(const WebPrerender& prerender) override
     {
         m_canceledPrerenders.push_back(prerender);
     }
 
-    virtual void abandon(const WebPrerender& prerender) override
+    void abandon(const WebPrerender& prerender) override
     {
         m_abandonedPrerenders.push_back(prerender);
     }
 
     std::vector<WebPrerender> m_addedPrerenders;
     std::vector<WebPrerender> m_canceledPrerenders;
     std::vector<WebPrerender> m_abandonedPrerenders;
 };
 
 class PrerenderingTest : public testing::Test {
@@ skipping 142 matching lines @@
 
 TEST_F(PrerenderingTest, ExtraData)
 {
     class TestExtraData : public WebPrerender::ExtraData {
     public:
         explicit TestExtraData(bool* alive) : m_alive(alive)
         {
             *alive = true;
         }
 
-        virtual ~TestExtraData() { *m_alive = false; }
+        ~TestExtraData() override { *m_alive = false; }
 
     private:
         bool* m_alive;
     };
 
     bool alive = false;
     {
         prerendererClient()->setExtraDataForNextPrerender(new TestExtraData(&alive));
         initialize("http://www.foo.com/", "prerender/single_prerender.html");
         EXPECT_TRUE(alive);
@@ skipping 156 matching lines @@
     WebPrerender relNextOnly = prerendererClient()->releaseWebPrerender();
     EXPECT_EQ(toWebURL("http://rel-next-only.com/"), relNextOnly.url());
     EXPECT_EQ(PrerenderRelTypeNext, relNextOnly.relTypes());
 
     WebPrerender relNextAndPrerender = prerendererClient()->releaseWebPrerender();
     EXPECT_EQ(toWebURL("http://rel-next-and-prerender.com/"), relNextAndPrerender.url());
     EXPECT_EQ(static_cast<unsigned>(PrerenderRelTypeNext | PrerenderRelTypePrerender), relNextAndPrerender.relTypes());
 }
 
 } // namespace