Standardize usage of virtual/override/final in mojo/

mojo/services/test_service/test_service_application.h

 // Copyright 2014 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.
 
 #ifndef MOJO_SERVICES_TEST_SERVICE_TEST_SERVICE_APPLICATION_H_
 #define MOJO_SERVICES_TEST_SERVICE_TEST_SERVICE_APPLICATION_H_
 
 #include "mojo/public/cpp/application/application_delegate.h"
 #include "mojo/public/cpp/application/interface_factory.h"
 #include "mojo/public/cpp/system/macros.h"
 
 namespace mojo {
 class ApplicationConnection;
 
 namespace test {
 class TestService;
 class TestTimeService;
 
 class TestServiceApplication : public ApplicationDelegate,
                                public InterfaceFactory<TestService>,
                                public InterfaceFactory<TestTimeService> {
  public:
   TestServiceApplication();
-  virtual ~TestServiceApplication();
+  ~TestServiceApplication() override;
 
   // ApplicationDelegate implementation.
-  virtual bool ConfigureIncomingConnection(
-      ApplicationConnection* connection) override;
+  bool ConfigureIncomingConnection(ApplicationConnection* connection) override;
 
   // InterfaceFactory<TestService> implementation.
-  virtual void Create(ApplicationConnection* connection,
-                      InterfaceRequest<TestService> request) override;
+  void Create(ApplicationConnection* connection,
+              InterfaceRequest<TestService> request) override;
 
   // InterfaceFactory<TestTimeService> implementation.
-  virtual void Create(ApplicationConnection* connection,
-                      InterfaceRequest<TestTimeService> request) override;
+  void Create(ApplicationConnection* connection,
+              InterfaceRequest<TestTimeService> request) override;
 
   void AddRef();
   void ReleaseRef();
 
  private:
   int ref_count_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(TestServiceApplication);
 };
 
 }  // namespace test
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_TEST_SERVICE_TEST_SERVICE_APPLICATION_H_