Replace FINAL and OVERRIDE with their C++11 counterparts in Source/core/[css|rendering|clipboard]

Source/core/plugins/DOMPluginArray.h

Index: Source/core/plugins/DOMPluginArray.h
diff --git a/Source/core/plugins/DOMPluginArray.h b/Source/core/plugins/DOMPluginArray.h
index 433de9f45fdf2a38a820cd8900d6625732a3f188..106efc6e33d131bdc0a51c66d4584677092f30cd 100644
--- a/Source/core/plugins/DOMPluginArray.h
+++ b/Source/core/plugins/DOMPluginArray.h
@@ -34,7 +34,7 @@ namespace blink {
 class LocalFrame;
 class PluginData;
 
-class DOMPluginArray FINAL : public RefCountedWillBeGarbageCollected<DOMPluginArray>, public ScriptWrappable, public DOMWindowProperty {
+class DOMPluginArray final : public RefCountedWillBeGarbageCollected<DOMPluginArray>, public ScriptWrappable, public DOMWindowProperty {
     DEFINE_WRAPPERTYPEINFO();
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(DOMPluginArray);
 public:
@@ -50,7 +50,7 @@ public:
 
     void refresh(bool reload);
 
-    virtual void trace(Visitor*) OVERRIDE;
+    virtual void trace(Visitor*) override;
 
 private:
     explicit DOMPluginArray(LocalFrame*);