Standardize usage of virtual/override/final in remoting/

remoting/client/plugin/normalizing_input_filter_mac.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.
 
 #include <map>
 
 #include "remoting/protocol/input_filter.h"
 
 namespace remoting {
 
@@ skipping 27 matching lines @@
 // In this case the algorithm will generate:
 //
 // CMD DOWN, C DOWN, C UP, CMD UP, C UP
 //
 // Because we artificially generate keyup events the C UP event is duplicated
 // as user releases the key after CMD key. This would not be a problem as the
 // receiver end will drop this duplicated keyup event.
 class NormalizingInputFilterMac : public protocol::InputFilter {
  public:
   explicit NormalizingInputFilterMac(protocol::InputStub* input_stub);
-  virtual ~NormalizingInputFilterMac();
+  ~NormalizingInputFilterMac() override;
 
   // InputFilter overrides.
-  virtual void InjectKeyEvent(const protocol::KeyEvent& event) override;
+  void InjectKeyEvent(const protocol::KeyEvent& event) override;
 
  private:
   typedef std::map<int, protocol::KeyEvent> KeyPressedMap;
 
   // Generate keyup events for any keys pressed with CMD.
   void GenerateKeyupEvents();
 
   // A map that stores pressed keycodes and the corresponding key event.
   KeyPressedMap key_pressed_map_;
 
   DISALLOW_COPY_AND_ASSIGN(NormalizingInputFilterMac);
 };
 
 }  // namespace remoting