Standardize usage of virtual/override/final in remoting/

remoting/protocol/clipboard_filter.h

 // 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.
 
 #ifndef REMOTING_PROTOCOL_CLIPBOARD_FILTER_H_
 #define REMOTING_PROTOCOL_CLIPBOARD_FILTER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "remoting/protocol/clipboard_stub.h"
 
 namespace remoting {
 namespace protocol {
 
 // Forwards clipboard events to |clipboard_stub|, if configured.  Event
 // forwarding may also be disabled independently of the configured
 // |clipboard_stub|. ClipboardFilters initially have event forwarding enabled.
 class ClipboardFilter : public ClipboardStub {
  public:
   ClipboardFilter();
   explicit ClipboardFilter(ClipboardStub* clipboard_stub);
-  virtual ~ClipboardFilter();
+  ~ClipboardFilter() override;
 
   // Set the ClipboardStub that events will be forwarded to.
   void set_clipboard_stub(ClipboardStub* clipboard_stub);
 
   // Enable/disable forwarding of clipboard events to the ClipboardStub.
   void set_enabled(bool enabled) { enabled_ = enabled; }
   bool enabled() const { return enabled_; }
 
   // ClipboardStub interface.
-  virtual void InjectClipboardEvent(const ClipboardEvent& event) override;
+  void InjectClipboardEvent(const ClipboardEvent& event) override;
 
  private:
   ClipboardStub* clipboard_stub_;
   bool enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(ClipboardFilter);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_CLIPBOARD_FILTER_H_