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

Source/core/html/canvas/HitRegion.h

Index: Source/core/html/canvas/HitRegion.h
diff --git a/Source/core/html/canvas/HitRegion.h b/Source/core/html/canvas/HitRegion.h
index a776e30b42b6806dcec9aedfd3dcb1684cf1a2bd..831daeeb40fbea3bac8d6cb01455a49acbcd3566 100644
--- a/Source/core/html/canvas/HitRegion.h
+++ b/Source/core/html/canvas/HitRegion.h
@@ -18,7 +18,7 @@
 
 namespace blink {
 
-class HitRegion FINAL : public RefCountedWillBeGarbageCollectedFinalized<HitRegion> {
+class HitRegion final : public RefCountedWillBeGarbageCollectedFinalized<HitRegion> {
 public:
     static PassRefPtrWillBeRawPtr<HitRegion> create(const Path& path, const HitRegionOptions& options)
     {
@@ -48,7 +48,7 @@ private:
     WindRule m_fillRule;
 };
 
-class HitRegionManager FINAL : public NoBaseWillBeGarbageCollected<HitRegionManager> {
+class HitRegionManager final : public NoBaseWillBeGarbageCollected<HitRegionManager> {
     WTF_MAKE_NONCOPYABLE(HitRegionManager);
     DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(HitRegionManager)
 public: