Standardize usage of virtual/override/final specifiers.

remoting/base/auto_thread_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 "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/scoped_native_library.h"
 #include "remoting/base/auto_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 54 matching lines @@
     // Release |main_task_runner_|, then run |message_loop_| until other
     // references created in tests are gone.  We also post a delayed quit
     // task to |message_loop_| so the test will not hang on failure.
     main_task_runner_ = NULL;
     message_loop_.PostDelayedTask(FROM_HERE,
                                   base::MessageLoop::QuitClosure(),
                                   base::TimeDelta::FromSeconds(5));
     message_loop_.Run();
   }
 
-  virtual void SetUp() override {
+  void SetUp() override {
     main_task_runner_ = new AutoThreadTaskRunner(
         message_loop_.message_loop_proxy(),
         base::Bind(&AutoThreadTest::QuitMainMessageLoop,
                    base::Unretained(this)));
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     // Verify that |message_loop_| was quit by the AutoThreadTaskRunner.
     EXPECT_TRUE(message_loop_quit_correctly_);
   }
 
  protected:
   void QuitMainMessageLoop() {
     message_loop_quit_correctly_ = true;
     message_loop_.PostTask(FROM_HERE, base::MessageLoop::QuitClosure());
   }
 
@@ skipping 99 matching lines @@
     // Whether the thread is the "main" STA apartment depends upon previous
     // COM activity in this test process, so allow both types here.
     EXPECT_TRUE(apt_type == APTTYPE_MAINSTA || apt_type == APTTYPE_STA);
   } else {
     EXPECT_EQ(E_NOTIMPL, hresult);
   }
 }
 #endif // defined(OS_WIN)
 
 }  // namespace remoting