replace OVERRIDE and FINAL with override and final in ppapi/

ppapi/proxy/ppb_video_decoder_proxy.cc

Index: ppapi/proxy/ppb_video_decoder_proxy.cc
diff --git a/ppapi/proxy/ppb_video_decoder_proxy.cc b/ppapi/proxy/ppb_video_decoder_proxy.cc
index 4eae1f2265466cc7eb54362fd257a16e1977d8c4..7699c84ecaab1bc74a31defcc16d7f8d7045a459 100644
--- a/ppapi/proxy/ppb_video_decoder_proxy.cc
+++ b/ppapi/proxy/ppb_video_decoder_proxy.cc
@@ -35,13 +35,13 @@ class VideoDecoder : public PPB_VideoDecoder_Shared {
 
   // PPB_VideoDecoder_Dev_API implementation.
   virtual int32_t Decode(const PP_VideoBitstreamBuffer_Dev* bitstream_buffer,
-                         scoped_refptr<TrackedCallback> callback) OVERRIDE;
+                         scoped_refptr<TrackedCallback> callback) override;
   virtual void AssignPictureBuffers(
-      uint32_t no_of_buffers, const PP_PictureBuffer_Dev* buffers) OVERRIDE;
-  virtual void ReusePictureBuffer(int32_t picture_buffer_id) OVERRIDE;
-  virtual int32_t Flush(scoped_refptr<TrackedCallback> callback) OVERRIDE;
-  virtual int32_t Reset(scoped_refptr<TrackedCallback> callback) OVERRIDE;
-  virtual void Destroy() OVERRIDE;
+      uint32_t no_of_buffers, const PP_PictureBuffer_Dev* buffers) override;
+  virtual void ReusePictureBuffer(int32_t picture_buffer_id) override;
+  virtual int32_t Flush(scoped_refptr<TrackedCallback> callback) override;
+  virtual int32_t Reset(scoped_refptr<TrackedCallback> callback) override;
+  virtual void Destroy() override;
 
  private:
   friend class PPB_VideoDecoder_Proxy;