Standardize usage of virtual/override/final specifiers.

net/spdy/spdy_stream_unittest.cc

 // Copyright 2013 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 <cstddef>
 #include <string>
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 39 matching lines @@
         session_deps_(GetParam()),
         offset_(0) {}
 
   base::WeakPtr<SpdySession> CreateDefaultSpdySession() {
     SpdySessionKey key(HostPortPair("www.google.com", 80),
                        ProxyServer::Direct(),
                        PRIVACY_MODE_DISABLED);
     return CreateInsecureSpdySession(session_, key, BoundNetLog());
   }
 
-  virtual void TearDown() {
-    base::MessageLoop::current()->RunUntilIdle();
-  }
+  void TearDown() override { base::MessageLoop::current()->RunUntilIdle(); }
 
   void RunResumeAfterUnstallRequestResponseTest(
       const UnstallFunction& unstall_function);
 
   void RunResumeAfterUnstallBidirectionalTest(
       const UnstallFunction& unstall_function);
 
   // Add{Read,Write}() populates lists that are eventually passed to a
   // SocketData class. |frame| must live for the whole test.
 
@@ skipping 979 matching lines @@
   data.RunFor(1); // FIN
 
   EXPECT_EQ(ERR_CONNECTION_CLOSED, delegate.WaitForClose());
 }
 
 }  // namespace
 
 }  // namespace test
 
 }  // namespace net