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

Source/core/css/CSSStyleRule.h

Index: Source/core/css/CSSStyleRule.h
diff --git a/Source/core/css/CSSStyleRule.h b/Source/core/css/CSSStyleRule.h
index a5bfa5bd9282be33e44281162ae7e38eba84e7d3..75adbf9dc0758abf0fac5c6f791a417d220acdfe 100644
--- a/Source/core/css/CSSStyleRule.h
+++ b/Source/core/css/CSSStyleRule.h
@@ -31,7 +31,7 @@ class CSSStyleDeclaration;
 class StyleRuleCSSStyleDeclaration;
 class StyleRule;
 
-class CSSStyleRule FINAL : public CSSRule {
+class CSSStyleRule final : public CSSRule {
 public:
     static PassRefPtrWillBeRawPtr<CSSStyleRule> create(StyleRule* rule, CSSStyleSheet* sheet)
     {
@@ -40,9 +40,9 @@ public:
 
     virtual ~CSSStyleRule();
 
-    virtual CSSRule::Type type() const OVERRIDE { return STYLE_RULE; }
-    virtual String cssText() const OVERRIDE;
-    virtual void reattach(StyleRuleBase*) OVERRIDE;
+    virtual CSSRule::Type type() const override { return STYLE_RULE; }
+    virtual String cssText() const override;
+    virtual void reattach(StyleRuleBase*) override;
 
     String selectorText() const;
     void setSelectorText(const String&);
@@ -52,7 +52,7 @@ public:
     // FIXME: Not CSSOM. Remove.
     StyleRule* styleRule() const { return m_styleRule.get(); }
 
-    virtual void trace(Visitor*) OVERRIDE;
+    virtual void trace(Visitor*) override;
 
 private:
     CSSStyleRule(StyleRule*, CSSStyleSheet*);