Standardize usage of virtual/override/final in content/

content/plugin/plugin_channel.cc

 // 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.
 
 #include "content/plugin/plugin_channel.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/process/process_handle.h"
 #include "base/strings/string_util.h"
@@ skipping 61 matching lines @@
         FROM_HERE, modal_dialog_event_map_[render_view_id].event);
     modal_dialog_event_map_.erase(render_view_id);
   }
 
   bool Send(IPC::Message* message) {
     // Need this function for the IPC_MESSAGE_HANDLER_DELAY_REPLY macro.
     return sender_->Send(message);
   }
 
   // IPC::MessageFilter:
-  virtual void OnFilterAdded(IPC::Sender* sender) override {
-    sender_ = sender;
-  }
+  void OnFilterAdded(IPC::Sender* sender) override { sender_ = sender; }
 
-  virtual bool OnMessageReceived(const IPC::Message& message) override {
+  bool OnMessageReceived(const IPC::Message& message) override {
     IPC_BEGIN_MESSAGE_MAP(PluginChannel::MessageFilter, message)
       IPC_MESSAGE_HANDLER_DELAY_REPLY(PluginMsg_Init, OnInit)
       IPC_MESSAGE_HANDLER(PluginMsg_SignalModalDialogEvent,
                           OnSignalModalDialogEvent)
       IPC_MESSAGE_HANDLER(PluginMsg_ResetModalDialogEvent,
                           OnResetModalDialogEvent)
     IPC_END_MESSAGE_MAP()
     return message.type() == PluginMsg_SignalModalDialogEvent::ID ||
            message.type() == PluginMsg_ResetModalDialogEvent::ID;
   }
 
  protected:
-  virtual ~MessageFilter() {
+  ~MessageFilter() override {
     // Clean up in case of renderer crash.
     for (ModalDialogEventMap::iterator i = modal_dialog_event_map_.begin();
         i != modal_dialog_event_map_.end(); ++i) {
       delete i->second.event;
     }
   }
 
  private:
   void OnInit(const PluginMsg_Init_Params& params, IPC::Message* reply_msg) {
     base::AutoLock auto_lock(modal_dialog_event_map_lock_);
@@ skipping 229 matching lines @@
 void PluginChannel::OnDidAbortLoading(int render_view_id) {
   for (size_t i = 0; i < plugin_stubs_.size(); ++i) {
     if (plugin_stubs_[i]->webplugin()->host_render_view_routing_id() ==
             render_view_id) {
       plugin_stubs_[i]->delegate()->instance()->CloseStreams();
     }
   }
 }
 
 }  // namespace content