Standardize usage of virtual/override/final in content/

content/child/npapi/npobject_proxy.h

 // Copyright 2013 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.
 //
 // A proxy for NPObject that sends all calls to the object to an NPObjectStub
 // running in a different process.
 
 #ifndef CONTENT_CHILD_NPAPI_NPOBJECT_PROXY_H_
 #define CONTENT_CHILD_NPAPI_NPOBJECT_PROXY_H_
 
@@ skipping 15 matching lines @@
 // as a plugin can get an NPObject for the window, and a page can get an
 // NPObject for the plugin.  In the process that interacts with the NPobject we
 // give it an NPObjectProxy instead.  All calls to it are sent across an IPC
 // channel (specifically, a NPChannelBase).  The NPObjectStub on the other
 // side translates the IPC messages into calls to the actual NPObject, and
 // returns the marshalled result.
 class NPObjectProxy : public IPC::Listener,
                       public IPC::Sender,
                       public NPObjectBase {
  public:
-  virtual ~NPObjectProxy();
+  ~NPObjectProxy() override;
 
   static NPObject* Create(NPChannelBase* channel,
                           int route_id,
                           int render_view_id,
                           const GURL& page_url,
                           NPP owner);
 
   // IPC::Sender implementation:
-  virtual bool Send(IPC::Message* msg) override;
+  bool Send(IPC::Message* msg) override;
   int route_id() { return route_id_; }
   NPChannelBase* channel() { return channel_.get(); }
 
   // The next 9 functions are called on NPObjects from the plugin and browser.
   static bool NPHasMethod(NPObject *obj,
                           NPIdentifier name);
   static bool NPInvoke(NPObject *obj,
                        NPIdentifier name,
                        const NPVariant *args,
                        uint32_t arg_count,
@@ skipping 31 matching lines @@
                               bool is_default,
                               NPIdentifier name,
                               const NPVariant *args,
                               uint32_t arg_count,
                               NPVariant *result);
 
   static NPObjectProxy* GetProxy(NPObject* object);
   static const NPClass* npclass() { return &npclass_proxy_; }
 
   // NPObjectBase implementation.
-  virtual NPObject* GetUnderlyingNPObject() override;
+  NPObject* GetUnderlyingNPObject() override;
 
-  virtual IPC::Listener* GetChannelListener() override;
+  IPC::Listener* GetChannelListener() override;
 
  private:
   NPObjectProxy(NPChannelBase* channel,
                 int route_id,
                 int render_view_id,
                 const GURL& page_url);
 
   // IPC::Listener implementation:
-  virtual bool OnMessageReceived(const IPC::Message& msg) override;
-  virtual void OnChannelError() override;
+  bool OnMessageReceived(const IPC::Message& msg) override;
+  void OnChannelError() override;
 
   static NPObject* NPAllocate(NPP, NPClass*);
   static void NPDeallocate(NPObject* npObj);
 
   // This function is only caled on NPObjects from the plugin.
   static void NPPInvalidate(NPObject *obj);
   static NPClass npclass_proxy_;
 
   scoped_refptr<NPChannelBase> channel_;
   int route_id_;
   int render_view_id_;
 
   // The url of the main frame hosting the plugin.
   GURL page_url_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_NPAPI_NPOBJECT_PROXY_H_