Fix virtual/override/final usage in Source/core/dom/.

Source/core/dom/custom/CustomElementCallbackInvocation.cpp

 /*
  * Copyright (C) 2013 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:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 24 matching lines @@
 #include "core/dom/Element.h"
 #include "core/dom/custom/CustomElementScheduler.h"
 
 namespace blink {
 
 class AttachedDetachedInvocation final : public CustomElementCallbackInvocation {
 public:
     AttachedDetachedInvocation(PassRefPtrWillBeRawPtr<CustomElementLifecycleCallbacks>, CustomElementLifecycleCallbacks::CallbackType which);
 
 private:
-    virtual void dispatch(Element*) override;
+    void dispatch(Element*) override;
 
     CustomElementLifecycleCallbacks::CallbackType m_which;
 };
 
 AttachedDetachedInvocation::AttachedDetachedInvocation(PassRefPtrWillBeRawPtr<CustomElementLifecycleCallbacks> callbacks, CustomElementLifecycleCallbacks::CallbackType which)
     : CustomElementCallbackInvocation(callbacks)
     , m_which(which)
 {
     ASSERT(m_which == CustomElementLifecycleCallbacks::AttachedCallback || m_which == CustomElementLifecycleCallbacks::DetachedCallback);
 }
@@ skipping 10 matching lines @@
     default:
         ASSERT_NOT_REACHED();
     }
 }
 
 class AttributeChangedInvocation final : public CustomElementCallbackInvocation {
 public:
     AttributeChangedInvocation(PassRefPtrWillBeRawPtr<CustomElementLifecycleCallbacks>, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue);
 
 private:
-    virtual void dispatch(Element*) override;
+    void dispatch(Element*) override;
 
     AtomicString m_name;
     AtomicString m_oldValue;
     AtomicString m_newValue;
 };
 
 AttributeChangedInvocation::AttributeChangedInvocation(PassRefPtrWillBeRawPtr<CustomElementLifecycleCallbacks> callbacks, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue)
     : CustomElementCallbackInvocation(callbacks)
     , m_name(name)
     , m_oldValue(oldValue)
     , m_newValue(newValue)
 {
 }
 
 void AttributeChangedInvocation::dispatch(Element* element)
 {
     callbacks()->attributeChanged(element, m_name, m_oldValue, m_newValue);
 }
 
 class CreatedInvocation final : public CustomElementCallbackInvocation {
 public:
     explicit CreatedInvocation(PassRefPtrWillBeRawPtr<CustomElementLifecycleCallbacks> callbacks)
         : CustomElementCallbackInvocation(callbacks)
     {
     }
 
 private:
-    virtual void dispatch(Element*) override;
-    virtual bool isCreatedCallback() const override { return true; }
+    void dispatch(Element*) override;
+    bool isCreatedCallback() const override { return true; }
 };
 
 void CreatedInvocation::dispatch(Element* element)
 {
     if (element->inDocument() && element->document().domWindow())
         CustomElementScheduler::scheduleCallback(callbacks(), element, CustomElementLifecycleCallbacks::AttachedCallback);
     callbacks()->created(element);
 }
 
 PassOwnPtrWillBeRawPtr<CustomElementCallbackInvocation> CustomElementCallbackInvocation::createInvocation(PassRefPtrWillBeRawPtr<CustomElementLifecycleCallbacks> callbacks, CustomElementLifecycleCallbacks::CallbackType which)
@@ skipping 16 matching lines @@
     return adoptPtrWillBeNoop(new AttributeChangedInvocation(callbacks, name, oldValue, newValue));
 }
 
 DEFINE_TRACE(CustomElementCallbackInvocation)
 {
     visitor->trace(m_callbacks);
     CustomElementProcessingStep::trace(visitor);
 }
 
 } // namespace blink