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

Source/core/animation/animatable/AnimatableLength.h

Index: Source/core/animation/animatable/AnimatableLength.h
diff --git a/Source/core/animation/animatable/AnimatableLength.h b/Source/core/animation/animatable/AnimatableLength.h
index cf6473149a8ddd5f3bb165f274764534e094136d..7fd702c71cccff6385263eb2cb52bad007c3000c 100644
--- a/Source/core/animation/animatable/AnimatableLength.h
+++ b/Source/core/animation/animatable/AnimatableLength.h
@@ -36,7 +36,7 @@
 
 namespace blink {
 
-class AnimatableLength FINAL : public AnimatableValue {
+class AnimatableLength final : public AnimatableValue {
 public:
     static PassRefPtrWillBeRawPtr<AnimatableLength> create(const Length& length, float zoom)
     {
@@ -45,7 +45,7 @@ public:
     Length length(float zoom, ValueRange) const;
 
 protected:
-    virtual PassRefPtrWillBeRawPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const OVERRIDE;
+    virtual PassRefPtrWillBeRawPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const override;
 
 private:
     static PassRefPtrWillBeRawPtr<AnimatableLength> create(double pixels, double percent, bool hasPixels, bool hasPercent)
@@ -61,10 +61,10 @@ private:
     {
         ASSERT(m_hasPixels || m_hasPercent);
     }
-    virtual AnimatableType type() const OVERRIDE { return TypeLength; }
-    virtual bool equalTo(const AnimatableValue*) const OVERRIDE;
+    virtual AnimatableType type() const override { return TypeLength; }
+    virtual bool equalTo(const AnimatableValue*) const override;
 
-    virtual void trace(Visitor* visitor) OVERRIDE { AnimatableValue::trace(visitor); }
+    virtual void trace(Visitor* visitor) override { AnimatableValue::trace(visitor); }
 
     double m_pixels;
     double m_percent;