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

Source/core/css/CSSSupportsRule.h

Index: Source/core/css/CSSSupportsRule.h
diff --git a/Source/core/css/CSSSupportsRule.h b/Source/core/css/CSSSupportsRule.h
index 4dd0cdad7fd5dcdf467af7a5fef810f590ddddf5..88433c450dd9a593c3fe256f97f129a5b88651d7 100644
--- a/Source/core/css/CSSSupportsRule.h
+++ b/Source/core/css/CSSSupportsRule.h
@@ -35,7 +35,7 @@ namespace blink {
 
 class StyleRuleSupports;
 
-class CSSSupportsRule FINAL : public CSSGroupingRule {
+class CSSSupportsRule final : public CSSGroupingRule {
 public:
     static PassRefPtrWillBeRawPtr<CSSSupportsRule> create(StyleRuleSupports* rule, CSSStyleSheet* sheet)
     {
@@ -44,12 +44,12 @@ public:
 
     virtual ~CSSSupportsRule() { }
 
-    virtual CSSRule::Type type() const OVERRIDE { return SUPPORTS_RULE; }
-    virtual String cssText() const OVERRIDE;
+    virtual CSSRule::Type type() const override { return SUPPORTS_RULE; }
+    virtual String cssText() const override;
 
     String conditionText() const;
 
-    virtual void trace(Visitor* visitor) OVERRIDE { CSSGroupingRule::trace(visitor); }
+    virtual void trace(Visitor* visitor) override { CSSGroupingRule::trace(visitor); }
 
 private:
     CSSSupportsRule(StyleRuleSupports*, CSSStyleSheet*);