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

Source/web/PopupMenuImpl.cpp

 // Copyright (c) 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.
 
 #include "config.h"
 #include "web/PopupMenuImpl.h"
 
 #include "core/HTMLNames.h"
 #include "core/css/CSSFontSelector.h"
 #include "core/dom/ElementTraversal.h"
@@ skipping 22 matching lines @@
 public:
     static PassRefPtrWillBeRawPtr<PopupMenuCSSFontSelector> create(Document* document, CSSFontSelector* ownerFontSelector)
     {
         return adoptRefWillBeNoop(new PopupMenuCSSFontSelector(document, ownerFontSelector));
     }
 
     ~PopupMenuCSSFontSelector();
 
     // We don't override willUseFontData() for now because the old PopupListBox
     // only worked with fonts loaded when opening the popup.
-    virtual PassRefPtr<FontData> getFontData(const FontDescription&, const AtomicString&) override;
+    PassRefPtr<FontData> getFontData(const FontDescription&, const AtomicString&) override;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     PopupMenuCSSFontSelector(Document*, CSSFontSelector*);
 
-    virtual void fontsNeedUpdate(CSSFontSelector*) override;
+    void fontsNeedUpdate(CSSFontSelector*) override;
 
     RefPtrWillBeMember<CSSFontSelector> m_ownerFontSelector;
 };
 
 PopupMenuCSSFontSelector::PopupMenuCSSFontSelector(Document* document, CSSFontSelector* ownerFontSelector)
     : CSSFontSelector(document)
     , m_ownerFontSelector(ownerFontSelector)
 {
     m_ownerFontSelector->registerForInvalidationCallbacks(this);
 }
@@ skipping 407 matching lines @@
 
 void PopupMenuImpl::disconnectClient()
 {
     m_client = nullptr;
     // Cannot be done during finalization, so instead done when the
     // layout object is destroyed and disconnected.
     dispose();
 }
 
 } // namespace blink