Add the override annotation to all necessary methods in .../quic/.

net/tools/quic/quic_client.h

 // Copyright (c) 2012 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.
 //
 // A toy client, which connects to a specified port and sends QUIC
 // request to that endpoint.
 
 #ifndef NET_TOOLS_QUIC_QUIC_CLIENT_H_
 #define NET_TOOLS_QUIC_QUIC_CLIENT_H_
 
@@ skipping 70 matching lines @@
   void WaitForStreamToClose(QuicStreamId id);
 
   // Wait for events until the handshake is confirmed.
   void WaitForCryptoHandshakeConfirmed();
 
   // Wait up to 50ms, and handle any events which occur.
   // Returns true if there are any outstanding requests.
   bool WaitForEvents();
 
   // From EpollCallbackInterface
-  virtual void OnRegistration(
-      EpollServer* eps, int fd, int event_mask) OVERRIDE {}
+  virtual void OnRegistration(EpollServer* eps,
+                              int fd,
+                              int event_mask) OVERRIDE {}
   virtual void OnModification(int fd, int event_mask) OVERRIDE {}
   virtual void OnEvent(int fd, EpollEvent* event) OVERRIDE;
   // |fd_| can be unregistered without the client being disconnected. This
   // happens in b3m QuicProber where we unregister |fd_| to feed in events to
   // the client from the SelectServer.
   virtual void OnUnregistration(int fd, bool replaced) OVERRIDE {}
   virtual void OnShutdown(EpollServer* eps, int fd) OVERRIDE {}
 
   // QuicDataStream::Visitor
   virtual void OnClose(QuicDataStream* stream) OVERRIDE;
@@ skipping 114 matching lines @@
   // when the stream is closed (in OnClose).
   bool print_response_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicClient);
 };
 
 }  // namespace tools
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_CLIENT_H_