Standardize usage of virtual/override/final specifiers in jingle/.

jingle/notifier/base/xmpp_connection_unittest.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 "jingle/notifier/base/xmpp_connection.h"
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 65 matching lines @@
  protected:
   XmppConnectionTest()
       : mock_pre_xmpp_auth_(new MockPreXmppAuth()) {
     scoped_ptr<base::MessagePump> pump(new base::MessagePumpDefault());
     message_loop_.reset(new base::MessageLoop(pump.Pass()));
 
     url_request_context_getter_ = new net::TestURLRequestContextGetter(
         message_loop_->message_loop_proxy());
   }
 
-  virtual ~XmppConnectionTest() {}
+  ~XmppConnectionTest() override {}
 
-  virtual void TearDown() {
+  void TearDown() override {
     // Clear out any messages posted by XmppConnection's destructor.
     message_loop_->RunUntilIdle();
   }
 
   // Needed by XmppConnection.
   scoped_ptr<base::MessageLoop> message_loop_;
   MockXmppConnectionDelegate mock_xmpp_connection_delegate_;
   scoped_ptr<MockPreXmppAuth> mock_pre_xmpp_auth_;
   scoped_refptr<net::TestURLRequestContextGetter> url_request_context_getter_;
 };
@@ skipping 150 matching lines @@
         .WillByDefault(Return(TASK_STATE_ERROR));
     EXPECT_CALL(*task, ProcessStart()).Times(0);
     task->Start();
   }
 
   // This should destroy |task_pump|, but |task| still shouldn't run.
   message_loop_->RunUntilIdle();
 }
 
 }  // namespace notifier