Fix virtual/override/final usage in the rest of Source/core/.

Source/core/frame/DOMWindow.h

 // Copyright 2014 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 DOMWindow_h
 #define DOMWindow_h
 
 #include "core/CoreExport.h"
 #include "core/events/EventTarget.h"
 #include "core/frame/DOMWindowBase64.h"
@@ skipping 25 matching lines @@
 class SerializedScriptValue;
 class Storage;
 class StyleMedia;
 
 typedef HeapVector<Member<MessagePort>, 1> MessagePortArray;
 
 class CORE_EXPORT DOMWindow : public EventTargetWithInlineData, public RefCountedWillBeNoBase<DOMWindow>, public DOMWindowBase64 {
     DEFINE_WRAPPERTYPEINFO();
     REFCOUNTED_EVENT_TARGET(DOMWindow);
 public:
-    virtual ~DOMWindow();
+    ~DOMWindow() override;
 
     // RefCountedWillBeGarbageCollectedFinalized overrides:
     DECLARE_VIRTUAL_TRACE();
 
     virtual bool isLocalDOMWindow() const { return false; }
     virtual bool isRemoteDOMWindow() const { return false; }
 
     virtual Frame* frame() const = 0;
 
     // ScriptWrappable overrides:
-    v8::Local<v8::Object> wrap(v8::Isolate*, v8::Local<v8::Object> creationContext) override final;
-    v8::Local<v8::Object> associateWithWrapper(v8::Isolate*, const WrapperTypeInfo*, v8::Local<v8::Object> wrapper) override final;
+    v8::Local<v8::Object> wrap(v8::Isolate*, v8::Local<v8::Object> creationContext) final;
+    v8::Local<v8::Object> associateWithWrapper(v8::Isolate*, const WrapperTypeInfo*, v8::Local<v8::Object> wrapper) final;
 
     // EventTarget overrides:
     const AtomicString& interfaceName() const override;
 
     // DOM Level 0
     virtual Screen* screen() const = 0;
     virtual History* history() const = 0;
     virtual BarProp* locationbar() const = 0;
     virtual BarProp* menubar() const = 0;
     virtual BarProp* personalbar() const = 0;
@@ skipping 150 matching lines @@
     // implementation details to scripts.
     bool m_windowIsClosing;
 
 private:
     mutable RefPtrWillBeMember<Location> m_location;
 };
 
 } // namespace blink
 
 #endif // DOMWindow_h