Use override consistently instead of virtual.

net/quic/quic_session_test.cc

 // 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.
 
 #include "net/quic/quic_session.h"
 
 #include <set>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 68 matching lines @@
 };
 
 class TestStream : public QuicDataStream {
  public:
   TestStream(QuicStreamId id, QuicSession* session)
       : QuicDataStream(id, session) {
   }
 
   using ReliableQuicStream::CloseWriteSide;
 
-  virtual uint32 ProcessData(const char* data, uint32 data_len) {
+  virtual uint32 ProcessData(const char* data, uint32 data_len) OVERRIDE {
     return data_len;
   }
 
   void SendBody(const string& data, bool fin) {
     WriteOrBufferData(data, fin, NULL);
   }
 
   MOCK_METHOD0(OnCanWrite, void());
 };
 
@@ skipping 748 matching lines @@
 
   // Version 16 means all flow control is disabled.
   session_.OnSuccessfulVersionNegotiation(QUIC_VERSION_16);
   EXPECT_FALSE(session_.flow_controller()->IsEnabled());
   EXPECT_FALSE(stream->flow_controller()->IsEnabled());
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net