Fix virtual/override/final usage in Source/modules/.

Source/modules/filesystem/InspectorFileSystemAgent.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 73 matching lines @@
 template<typename BaseCallback, typename Handler, typename Argument>
 class CallbackDispatcher final : public BaseCallback {
 public:
     typedef bool (Handler::*HandlingMethod)(Argument);
 
     static CallbackDispatcher* create(PassRefPtr<Handler> handler, HandlingMethod handlingMethod)
     {
         return new CallbackDispatcher(handler, handlingMethod);
     }
 
-    virtual void handleEvent(Argument argument) override
+    void handleEvent(Argument argument) override
     {
         (m_handler.get()->*m_handlingMethod)(argument);
     }
 
 private:
     CallbackDispatcher(PassRefPtr<Handler> handler, HandlingMethod handlingMethod)
         : m_handler(handler)
         , m_handlingMethod(handlingMethod) { }
 
     RefPtr<Handler> m_handler;
@@ skipping 270 matching lines @@
 }
 
 class FileContentRequest final : public EventListener {
     WTF_MAKE_NONCOPYABLE(FileContentRequest);
 public:
     static PassRefPtr<FileContentRequest> create(PassRefPtrWillBeRawPtr<RequestFileContentCallback> requestCallback, const String& url, bool readAsText, long long start, long long end, const String& charset)
     {
         return adoptRef(new FileContentRequest(requestCallback, url, readAsText, start, end, charset));
     }
 
-    virtual ~FileContentRequest()
+    ~FileContentRequest() override
     {
         reportResult(FileError::ABORT_ERR);
     }
 
     void start(ExecutionContext*);
 
-    virtual bool operator==(const EventListener& other) override
+    bool operator==(const EventListener& other) override
     {
         return this == &other;
     }
 
-    virtual void handleEvent(ExecutionContext*, Event* event) override
+    void handleEvent(ExecutionContext*, Event* event) override
     {
         if (event->type() == EventTypeNames::load)
             didRead();
         else if (event->type() == EventTypeNames::error)
             didHitError(m_reader->error());
     }
 
 private:
     bool didHitError(FileError* error)
     {
@@ skipping 108 matching lines @@
 
 private:
     // CallbackDispatcherFactory doesn't handle 0-arg handleEvent methods
     class VoidCallbackImpl final : public VoidCallback {
     public:
         explicit VoidCallbackImpl(PassRefPtr<DeleteEntryRequest> handler)
             : m_handler(handler)
         {
         }
 
-        virtual void handleEvent() override
+        void handleEvent() override
         {
             m_handler->didDeleteEntry();
         }
 
     private:
         RefPtr<DeleteEntryRequest> m_handler;
     };
 
     bool didHitError(FileError* error)
     {
@@ skipping 188 matching lines @@
     return 0;
 }
 
 DEFINE_TRACE(InspectorFileSystemAgent)
 {
     visitor->trace(m_page);
     InspectorBaseAgent::trace(visitor);
 }
 
 } // namespace blink