Mojo: More virtual/override style fixes in mojo/.

mojo/services/public/cpp/view_manager/lib/view_manager_test_suite.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_PUBLIC_CPP_VIEW_MANAGER_LIB_VIEW_MANAGER_TEST_SUITE_H_
 #define MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_LIB_VIEW_MANAGER_TEST_SUITE_H_
 
 #include "base/test/test_suite.h"
 
 namespace mojo {
 
 class ViewManagerTestSuite : public base::TestSuite {
  public:
   ViewManagerTestSuite(int argc, char** argv);
-  virtual ~ViewManagerTestSuite();
+  ~ViewManagerTestSuite() override;
 
  protected:
-  virtual void Initialize() override;
+  void Initialize() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ViewManagerTestSuite);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_LIB_VIEW_MANAGER_TEST_SUITE_H_