Replace FINAL and OVERRIDE with their C++11 counterparts in content/renderer

content/renderer/media/rtc_video_encoder.cc

Index: content/renderer/media/rtc_video_encoder.cc
diff --git a/content/renderer/media/rtc_video_encoder.cc b/content/renderer/media/rtc_video_encoder.cc
index 3d6cb59847f1f9815463177ec1f4af27f692de5a..99e963a96b27fe7ff7532447e20541ca50c12669 100644
--- a/content/renderer/media/rtc_video_encoder.cc
+++ b/content/renderer/media/rtc_video_encoder.cc
@@ -115,11 +115,11 @@ class RTCVideoEncoder::Impl
   // media::VideoEncodeAccelerator::Client implementation.
   virtual void RequireBitstreamBuffers(unsigned int input_count,
                                        const gfx::Size& input_coded_size,
-                                       size_t output_buffer_size) OVERRIDE;
+                                       size_t output_buffer_size) override;
   virtual void BitstreamBufferReady(int32 bitstream_buffer_id,
                                     size_t payload_size,
-                                    bool key_frame) OVERRIDE;
-  virtual void NotifyError(media::VideoEncodeAccelerator::Error error) OVERRIDE;
+                                    bool key_frame) override;
+  virtual void NotifyError(media::VideoEncodeAccelerator::Error error) override;
 
  private:
   friend class base::RefCountedThreadSafe<Impl>;