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

Source/core/animation/CompositorAnimationsTestHelper.h

Index: Source/core/animation/CompositorAnimationsTestHelper.h
diff --git a/Source/core/animation/CompositorAnimationsTestHelper.h b/Source/core/animation/CompositorAnimationsTestHelper.h
index d4abec0c6a9386dfaa1a7eebe3fe389efabe21d5..3bebc11fcb2a98f141147dfed67d648b76d240b2 100644
--- a/Source/core/animation/CompositorAnimationsTestHelper.h
+++ b/Source/core/animation/CompositorAnimationsTestHelper.h
@@ -140,7 +140,7 @@ private:
         virtual void cryptographicallyRandomValues(unsigned char* buffer, size_t length) { ASSERT_NOT_REACHED(); }
     private:
         WebCompositorSupportMock** m_compositor;
-        virtual WebCompositorSupport* compositorSupport() OVERRIDE { return *m_compositor; }
+        virtual WebCompositorSupport* compositorSupport() override { return *m_compositor; }
     };
 
     WebCompositorSupportMock* m_mockCompositor;