Replacing the OVERRIDE with override and FINAL with final

Source/platform/graphics/DecodingImageGenerator.h

Index: Source/platform/graphics/DecodingImageGenerator.h
diff --git a/Source/platform/graphics/DecodingImageGenerator.h b/Source/platform/graphics/DecodingImageGenerator.h
index 2ed38ccfa48d6d30eac139ddd37e61e03cc6ea7b..9e466a40c559b97516f8ae0bdb2ff2cbf34738d9 100644
--- a/Source/platform/graphics/DecodingImageGenerator.h
+++ b/Source/platform/graphics/DecodingImageGenerator.h
@@ -42,7 +42,7 @@ class ImageFrameGenerator;
 //
 // This class does not own an ImageDecode. It does not own encoded data. It serves
 // as and adapter to ImageFrameGenerator which actually performs decoding.
-class DecodingImageGenerator FINAL : public SkImageGenerator {
+class DecodingImageGenerator final : public SkImageGenerator {
 public:
     DecodingImageGenerator(PassRefPtr<ImageFrameGenerator>, const SkImageInfo&, size_t index);
     virtual ~DecodingImageGenerator();