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

dbus/dbus_statistics_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 "dbus/dbus_statistics.h"
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace dbus {
 
 class DBusStatisticsTest : public testing::Test {
  public:
   DBusStatisticsTest() {
   }
 
-  virtual void SetUp() override {
-    statistics::Initialize();
-  }
+  void SetUp() override { statistics::Initialize(); }
 
-  virtual void TearDown() override {
-    statistics::Shutdown();
-  }
+  void TearDown() override { statistics::Shutdown(); }
 
  protected:
   void AddTestMethodCalls() {
     statistics::AddSentMethodCall(
         "service1", "service1.interface1", "method1");
     statistics::AddReceivedSignal(
         "service1", "service1.interface1", "method1");
     statistics::AddBlockingSentMethodCall(
         "service1", "service1.interface1", "method1");
 
@@ skipping 139 matching lines @@
       "service1.interface1.method2: Sent: 2 Received: 1\n"
       "service1.interface1.method3: Sent: 3\n"
       "service1.interface2.method1: Sent: 1\n"
       "service1.interface2.method2: Sent: 1\n"
       "service2.interface1.method1: Sent: 1\n");
   EXPECT_EQ(expected_output_method, output_method);
 
 }
 
 }  // namespace dbus