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

Source/web/WebSocketChannelClientProxy.h

Index: Source/web/WebSocketChannelClientProxy.h
diff --git a/Source/web/WebSocketChannelClientProxy.h b/Source/web/WebSocketChannelClientProxy.h
index dab3f22b490032bd6ffcf8b3860b6a87080ef67f..fe17744936f2837216e7c1d489a2a02f40635e51 100644
--- a/Source/web/WebSocketChannelClientProxy.h
+++ b/Source/web/WebSocketChannelClientProxy.h
@@ -28,31 +28,31 @@ public:
         return new WebSocketChannelClientProxy(impl);
     }
 
-    virtual void didConnect(const String& subprotocol, const String& extensions) override
+    void didConnect(const String& subprotocol, const String& extensions) override
     {
         m_impl->didConnect(subprotocol, extensions);
     }
-    virtual void didReceiveTextMessage(const String& payload) override
+    void didReceiveTextMessage(const String& payload) override
     {
         m_impl->didReceiveTextMessage(payload);
     }
-    virtual void didReceiveBinaryMessage(PassOwnPtr<Vector<char>> payload) override
+    void didReceiveBinaryMessage(PassOwnPtr<Vector<char>> payload) override
     {
         m_impl->didReceiveBinaryMessage(payload);
     }
-    virtual void didError() override
+    void didError() override
     {
         m_impl->didError();
     }
-    virtual void didConsumeBufferedAmount(uint64_t consumed) override
+    void didConsumeBufferedAmount(uint64_t consumed) override
     {
         m_impl->didConsumeBufferedAmount(consumed);
     }
-    virtual void didStartClosingHandshake() override
+    void didStartClosingHandshake() override
     {
         m_impl->didStartClosingHandshake();
     }
-    virtual void didClose(ClosingHandshakeCompletionStatus status, unsigned short code, const String& reason) override
+    void didClose(ClosingHandshakeCompletionStatus status, unsigned short code, const String& reason) override
     {
         WebSocketImpl* impl = m_impl;
         m_impl = nullptr;