Replace FINAL and OVERRIDE with their C++11 counterparts in Source/core/page

Source/core/page/CustomContextMenuProvider.h

Index: Source/core/page/CustomContextMenuProvider.h
diff --git a/Source/core/page/CustomContextMenuProvider.h b/Source/core/page/CustomContextMenuProvider.h
index bf04566b57ca51555e9ba28baf42e8c75449dbc9..9a5fab0948b5de6bb1b0336e8e49025abd6947fe 100644
--- a/Source/core/page/CustomContextMenuProvider.h
+++ b/Source/core/page/CustomContextMenuProvider.h
@@ -16,7 +16,7 @@ class HTMLElement;
 class HTMLMenuElement;
 class HTMLMenuItemElement;
 
-class CustomContextMenuProvider FINAL : public ContextMenuProvider {
+class CustomContextMenuProvider final : public ContextMenuProvider {
 public:
     static PassRefPtr<CustomContextMenuProvider> create(HTMLMenuElement& menu, HTMLElement& subject)
     {
@@ -27,9 +27,9 @@ private:
     CustomContextMenuProvider(HTMLMenuElement&, HTMLElement&);
     virtual ~CustomContextMenuProvider();
 
-    virtual void populateContextMenu(ContextMenu*) OVERRIDE;
-    virtual void contextMenuItemSelected(const ContextMenuItem*) OVERRIDE;
-    virtual void contextMenuCleared() OVERRIDE;
+    virtual void populateContextMenu(ContextMenu*) override;
+    virtual void contextMenuItemSelected(const ContextMenuItem*) override;
+    virtual void contextMenuCleared() override;
     void populateContextMenuItems(const HTMLMenuElement&, ContextMenu&);
     void appendSeparator(ContextMenu&);
     void appendMenuItem(HTMLMenuItemElement*, ContextMenu&);