Standardize usage of virtual/override/final in net/

net/quic/quic_dispatcher.h

Index: net/quic/quic_dispatcher.h
diff --git a/net/quic/quic_dispatcher.h b/net/quic/quic_dispatcher.h
index b4be0ee06cd9a33daa6d4e7309ddd9e1484ed54a..640cec815e9c3eeac59483b20b96d99b398a1994 100644
--- a/net/quic/quic_dispatcher.h
+++ b/net/quic/quic_dispatcher.h
@@ -60,11 +60,10 @@ class QuicDispatcher : public QuicBlockedWriterInterface,
   // Creates ordinary QuicPerConnectionPacketWriter instances.
   class DefaultPacketWriterFactory : public PacketWriterFactory {
    public:
-    virtual ~DefaultPacketWriterFactory() {}
+    ~DefaultPacketWriterFactory() override {}
 
-    virtual QuicPacketWriter* Create(
-        QuicServerPacketWriter* writer,
-        QuicConnection* connection) override;
+    QuicPacketWriter* Create(QuicServerPacketWriter* writer,
+                             QuicConnection* connection) override;
   };
 
   // Ideally we'd have a linked_hash_set: the  boolean is unused.
@@ -80,16 +79,16 @@ class QuicDispatcher : public QuicBlockedWriterInterface,
                  PacketWriterFactory* packet_writer_factory,
                  QuicConnectionHelperInterface* helper);
 
-  virtual ~QuicDispatcher();
+  ~QuicDispatcher() override;
 
   // Takes ownership of the packet writer.
   virtual void Initialize(QuicServerPacketWriter* writer);
 
   // Process the incoming packet by creating a new session, passing it to
   // an existing session, or passing it to the TimeWaitListManager.
-  virtual void ProcessPacket(const IPEndPoint& server_address,
-                             const IPEndPoint& client_address,
-                             const QuicEncryptedPacket& packet) override;
+  void ProcessPacket(const IPEndPoint& server_address,
+                     const IPEndPoint& client_address,
+                     const QuicEncryptedPacket& packet) override;
 
   // Returns true if there's anything in the blocked writer list.
   virtual bool HasPendingWrites() const;
@@ -99,16 +98,15 @@ class QuicDispatcher : public QuicBlockedWriterInterface,
 
   // QuicBlockedWriterInterface implementation:
   // Called when the socket becomes writable to allow queued writes to happen.
-  virtual void OnCanWrite() override;
+  void OnCanWrite() override;
 
   // QuicServerSessionVisitor interface implementation:
   // Ensure that the closed connection is cleaned up asynchronously.
-  virtual void OnConnectionClosed(QuicConnectionId connection_id,
-                                  QuicErrorCode error) override;
+  void OnConnectionClosed(QuicConnectionId connection_id,
+                          QuicErrorCode error) override;
 
   // Queues the blocked writer for later resumption.
-  virtual void OnWriteBlocked(
-      QuicBlockedWriterInterface* blocked_writer) override;
+  void OnWriteBlocked(QuicBlockedWriterInterface* blocked_writer) override;
 
   typedef base::hash_map<QuicConnectionId, QuicSession*> SessionMap;
 
@@ -183,9 +181,9 @@ class QuicDispatcher : public QuicBlockedWriterInterface,
     public QuicConnection::PacketWriterFactory {
    public:
     PacketWriterFactoryAdapter(QuicDispatcher* dispatcher);
-    virtual ~PacketWriterFactoryAdapter ();
+    ~PacketWriterFactoryAdapter() override;
 
-    virtual QuicPacketWriter* Create(QuicConnection* connection) const override;
+    QuicPacketWriter* Create(QuicConnection* connection) const override;
 
    private:
     QuicDispatcher* dispatcher_;